Real ChatGPT answer + Gemini simulation · index seedvxhIDTEFK4kcompleteAI OverviewTravel and hospitality · flights and airlinesinformational
Can you explain the airline liability limits and TSA policies for carrying a professional cello in the cabin instead of checking it?
ChatGPTgpt-6Geminigemini-3.5-flash-lite3 passes + 1 real-search39 queries10/30/2026
Download run
Gemini unique queries
36
0 in ≥ half the passes · stability 33%
ChatGPT real searches predicted
100%
3 of 3 matched the simulation
Fan-out diagram
Seed → topic clusters → sub-queries, per model.
SEED QUERY
Can you explain the airline liability limits and TSA policies for carrying a professional cello in the cabin instead of checking it?
36 unique queries · 3 passes
dot and faa instrument policies
7 queries · 7 hits
airline musical instrument cabin baggage policies cello1xGoogle ↗
REFORMULATION
dot rule 142 musical instruments airline compliance1xGoogle ↗
RELATED
faa regulations for musical instruments in aircraft cabins1xGoogle ↗
ENTITY EXPANSION
delta vs united vs american airlines musical instrument cabin policy1xGoogle ↗
COMPARATIVE
major US airlines musical instrument cabin policies1xGoogle ↗
REFORMULATION
FAA regulations musical instruments cabin storage1xGoogle ↗
REFORMULATION
passenger rights for musical instruments department of transportation1xGoogle ↗
ENTITY EXPANSION
airline liability and damage claims
6 queries · 6 hits
airline liability limits for checked musical instruments1xGoogle ↗
REFORMULATION
montreal convention liability limits for checked musical instruments1xGoogle ↗
COMPARATIVE
montreal convention liability limits for damaged musical instruments1xGoogle ↗
ENTITY EXPANSION
what to do if airline damages professional cello1xGoogle ↗
RELATED
instrument insurance vs airline liability for damaged cello1xGoogle ↗
COMPARATIVE
what to do if airline damages checked professional cello1xGoogle ↗
IMPLICIT
purchasing cabin seats for cellos
6 queries · 6 hits
airline bulkhead seat dimensions for cello in cabin1xGoogle ↗
REFORMULATION
do I need to buy a seat for my cello on a plane1xGoogle ↗
IMPLICIT
how to buy a seat ticket for a cello on an airplane1xGoogle ↗
IMPLICIT
checking a cello vs buying a cabin seat comparison1xGoogle ↗
COMPARATIVE
cello dimensions for airline seat purchase1xGoogle ↗
IMPLICIT
how to secure a cello seat belt extender airplane1xGoogle ↗
REFORMULATION
tsa security screening rules
6 queries · 6 hits
tsa security checkpoint rules for carrying cello through metal detector1xGoogle ↗
RELATED
tsa rules for carrying musical instruments through checkpoint1xGoogle ↗
RELATED
tsa checkpoint procedure for musical instruments cello1xGoogle ↗
REFORMULATION
can TSA inspect my cello case physically1xGoogle ↗
RELATED
can TSA inspect my cello case1xGoogle ↗
IMPLICIT
tsa prohibited items list musical instruments1xGoogle ↗
RELATED
airline fees and ticket costs
5 queries · 5 hits
do airlines charge extra ticket for bringing a cello1xGoogle ↗
IMPLICIT
delta united american airlines cello cabin baggage rules1xGoogle ↗
ENTITY EXPANSION
what to do if airline forces cello into cargo hold1xGoogle ↗
RELATED
do airlines charge extra baggage fees for cellos1xGoogle ↗
RELATED
cello travel insurance coverage for checked vs cabin1xGoogle ↗
COMPARATIVE
best cello flight cases
3 queries · 3 hits
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (3)
Classes come from the query-classifier (a local Laya model). 3 of 3 calls are low-confidence (under 50%) — hover a query in the table to see its confidence. 36 queries are still being classified.
What the models actually searched
Each model answered the query with its own web search. These are the searches it ran, matched to the closest simulated query.
ChatGPT3 real searches · gpt-6100% predicted
U.S. DOT musical instruments airline cabin seat cello liability checked baggage 49 USC 41724 airline policy Google ↗
TSA musical instruments cello screening carry-on policy instrument case Google ↗
airline contract of carriage musical instrument cabin seat liability cello United American Delta Google ↗
- Federal musical instrument law · uscode.house.gov
- DOT's explanation of the final rule · transportation.gov
- 14 CFR § 251.4 - Large musical instruments as carry-on baggage. | Electronic Code of Federal Regulations (e-CFR) | US Law · law.cornell.edu
- DOT baggage liability information · transportation.gov
- 14 CFR § 254.4 - Carrier liability. | Electronic Code of Federal Regulations (e-CFR) | US Law · law.cornell.edu
- IATA's Montreal Convention information · iata.org
- Canadian Transportation Agency's current limits · otc-cta.gc.ca
- TSA musical instrument screening guidance · tsa.gov
- What Can I Bring? · dejavu.org
- Frequently Asked Questions · ccn.web.tr
Semantic map
Every query placed by meaning (EmbeddingGemma 2, 256-d). Shaded regions are topics, nearby points are near-paraphrases, and a circle's size is how often the query came back.
Colour
SimulatedReal search
Hover a query to see its counterpart · click a topic to focus it · zoom with Ctrl/⌘ + scroll, a pinch, double-click or +
Queries
36 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
airline musical instrument cabin baggage policies cello REFORMULATION | Google ↗ AI Mode ↗ | Find official airline rules regarding bringing a cello as a carry-on item. | — | web_article | dot and faa instrument policies | 1x of 3 | |
airline liability limits for checked musical instruments REFORMULATION | Google ↗ AI Mode ↗ | The searcher wants to know the maximum financial compensation airlines offer if a musical instrument is damaged or lost as checked baggage. | — | web_article | airline liability and damage claims | 1x of 3 | |
airline bulkhead seat dimensions for cello in cabin REFORMULATION | Google ↗ AI Mode ↗ | The user wants to know specific seat types or dimensions required to fit a cello securely in an aircraft passenger seat. | — | web_article | purchasing cabin seats for cellos | 1x of 3 | |
tsa security checkpoint rules for carrying cello through metal detector RELATED | Google ↗ AI Mode ↗ | Understand how TSA agents inspect a cello at the security checkpoint. | — | how_to_steps | tsa security screening rules | 1x of 3 | |
tsa rules for carrying musical instruments through checkpoint RELATED | Google ↗ AI Mode ↗ | The searcher wants to understand the exact security screening procedures required by the TSA when bringing a musical instrument into the airport terminal. | — | faq_page | tsa security screening rules | 1x of 3 | |
tsa checkpoint procedure for musical instruments cello REFORMULATION | Google ↗ AI Mode ↗ | The user wants the exact security screening steps required by TSA agents when bringing a cello through airport checkpoints. | — | how_to_steps | tsa security screening rules | 1x of 3 | |
do I need to buy a seat for my cello on a plane IMPLICIT | Google ↗ AI Mode ↗ | Determine if a purchased ticket is mandatory for bringing a cello into the passenger cabin. | — | faq_page | purchasing cabin seats for cellos | 1x of 3 | |
how to buy a seat ticket for a cello on an airplane IMPLICIT | Google ↗ AI Mode ↗ | The searcher needs to know the specific booking procedures and weight limits for purchasing a passenger seat for a cello. | — | how_to_steps | purchasing cabin seats for cellos | 1x of 3 | |
dot rule 142 musical instruments airline compliance RELATED | Google ↗ AI Mode ↗ | The user is looking for the official Department of Transportation regulations regarding musical instruments on planes. | — | pdf_whitepaper | dot and faa instrument policies | 1x of 3 | |
montreal convention liability limits for checked musical instruments COMPARATIVE | Google ↗ AI Mode ↗ | Compare the financial risk of checking a cello versus keeping it in the cabin. | — | pdf_whitepaper | airline liability and damage claims | 1x of 3 | |
checking a cello vs buying a cabin seat comparison COMPARATIVE | Google ↗ AI Mode ↗ | The searcher wants to compare the risks, costs, and policies of checking a cello versus buying a ticket for it in the cabin. | — | comparison_table | purchasing cabin seats for cellos | 1x of 3 | |
do airlines charge extra ticket for bringing a cello IMPLICIT | Google ↗ AI Mode ↗ | The user wants to know if they need to purchase a full passenger ticket for the cello to occupy a cabin seat. | — | faq_page | airline fees and ticket costs | 1x of 3 | |
delta united american airlines cello cabin baggage rules ENTITY EXPANSION | Google ↗ AI Mode ↗ | Compare specific major airline policies regarding cabin storage for cellos. | — | comparison_table | airline fees and ticket costs | 1x of 3 | |
faa regulations for musical instruments in aircraft cabins ENTITY EXPANSION | Google ↗ AI Mode ↗ | The searcher wants to read the official Federal Aviation Administration guidelines that mandate musical instrument accommodations. | — | pdf_whitepaper | dot and faa instrument policies | 1x of 3 | |
delta vs united vs american airlines musical instrument cabin policy COMPARATIVE | Google ↗ AI Mode ↗ | The user wants to compare how major US legacy carriers handle cello cabin transport and associated liabilities. | — | comparison_table | dot and faa instrument policies | 1x of 3 | |
best flight case for cello cabin travel PERSONALIZED | Google ↗ AI Mode ↗ | Find recommendations for durable cello cases that fit standard airplane seats. | — | buyers_guide | best cello flight cases | 1x of 3 | |
best flight case for cello air travel PERSONALIZED | Google ↗ AI Mode ↗ | The searcher wants recommendations for durable cello cases suitable for severe baggage handling conditions if it must be checked. | — | buyers_guide | best cello flight cases | 1x of 3 | |
montreal convention liability limits for damaged musical instruments ENTITY EXPANSION | Google ↗ AI Mode ↗ | The user seeks specific international treaty liability caps for checked baggage containing valuable musical items. | — | glossary/definition | airline liability and damage claims | 1x of 3 | |
can TSA inspect my cello case physically RELATED | Google ↗ AI Mode ↗ | Know if security will open the hard case and handle the instrument. | — | forum/qna | tsa security screening rules | 1x of 3 | |
major US airlines musical instrument cabin policies REFORMULATION | Google ↗ AI Mode ↗ | The searcher wants a summary of how airlines like Delta, United, and American specifically handle cabin instruments. | — | web_article | dot and faa instrument policies | 1x of 3 | |
best flight case for cello air travel protection RELATED | Google ↗ AI Mode ↗ | The user wants recommendations for durable flight cases in case the cello must occasionally be checked. | — | buyers_guide | best cello flight cases | 1x of 3 | |
FAA regulations musical instruments cabin storage REFORMULATION | Google ↗ AI Mode ↗ | Find federal aviation authority mandates protecting passenger rights to carry instruments. | — | web_article | dot and faa instrument policies | 1x of 3 | |
what to do if airline damages professional cello RELATED | Google ↗ AI Mode ↗ | The searcher wants actionable steps on filing claims and recovering value if a checked instrument is ruined. | — | checklist | airline liability and damage claims | 1x of 3 | |
musician experience flying with cello forum discussions PERSONALIZED | Google ↗ AI Mode ↗ | The user wants anecdotal advice and real-world tips from other professional cellists who fly frequently. | — | forum/qna | musician travel experiences and forums | 1x of 3 | |
cello dimensions for airline seat purchase IMPLICIT | Google ↗ AI Mode ↗ | Find the maximum allowable measurements for a cello to fit safely in a passenger seat. | — | product_spec_sheet | purchasing cabin seats for cellos | 1x of 3 | |
can TSA inspect my cello case IMPLICIT | Google ↗ AI Mode ↗ | The searcher wants to know if security agents will force them to open a valuable instrument case during screening. | — | forum/qna | tsa security screening rules | 1x of 3 | |
how to secure a cello seat belt extender airplane REFORMULATION | Google ↗ AI Mode ↗ | The user needs to know how flight attendants require cellos to be strapped into the passenger seat. | — | how_to_steps | purchasing cabin seats for cellos | 1x of 3 | |
what to do if airline forces cello into cargo hold RELATED | Google ↗ AI Mode ↗ | Learn emergency strategies when gate agents deny cabin entry for a cello. | — | checklist | airline fees and ticket costs | 1x of 3 | |
do airlines charge extra baggage fees for cellos RELATED | Google ↗ AI Mode ↗ | The searcher wants to know the fee structure for both checked instruments and purchasing an extra seat. | — | pricing_page | airline fees and ticket costs | 1x of 3 | |
tsa prohibited items list musical instruments RELATED | Google ↗ AI Mode ↗ | The user wants to verify if any cleaning supplies or accessories related to a cello are banned in carry-ons. | — | checklist | tsa security screening rules | 1x of 3 | |
instrument insurance vs airline liability for damaged cello COMPARATIVE | Google ↗ AI Mode ↗ | Understand the coverage gaps between airline compensation caps and specialty musical instrument insurance. | — | glossary/definition | airline liability and damage claims | 1x of 3 | |
passenger rights for musical instruments department of transportation ENTITY EXPANSION | Google ↗ AI Mode ↗ | The searcher wants to know what legal protections the DOT provides to musicians traveling with instruments. | — | web_article | dot and faa instrument policies | 1x of 3 | |
cello travel insurance coverage for checked vs cabin COMPARATIVE | Google ↗ AI Mode ↗ | The user wants to evaluate whether specialized musical instrument insurance covers damage better than airline liability. | — | web_article | airline fees and ticket costs | 1x of 3 | |
what to do if airline damages checked professional cello IMPLICIT | Google ↗ AI Mode ↗ | The user wants to know the claims process and timeline if a cello is forced to be checked and gets damaged. | — | faq_page | airline liability and damage claims | 1x of 3 | |
musician experiences flying with cello in cabin RELATED | Google ↗ AI Mode ↗ | The searcher wants anecdotes and practical tips from other cellists who regularly fly with their instruments. | — | podcast_transcript | musician travel experiences and forums | 1x of 3 | |
musician experiences flying with cello cabin seat RELATED | Google ↗ AI Mode ↗ | Read personal stories and tips from cellists who frequently travel by air. | — | review_roundup | musician travel experiences and forums | 1x of 3 |
Passes
Does another pass still surface new queries? A flattening curve means the fan-out has stabilised.
Geminix = pass, y = cumulative unique queries
| Model | Pass | Target | Generated | Seconds | Tokens (in / out) | Notes |
|---|---|---|---|---|---|---|
| gemini-3.5-flash-lite | 1 | 12 | 12 | — | 919 / 1,412 | |
| gemini-3.5-flash-lite | 2 | 12 | 12 | — | 919 / 1,514 | |
| gemini-3.5-flash-lite | 3 | 12 | 12 | — | 919 / 1,451 |