Green Car (first class)
E741684
Green Car (first class) is the premium, reserved-seat first-class section on the Narita Express, offering more spacious and comfortable seating and enhanced onboard amenities compared to standard cars.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Green Car (First Class) | 1 |
| Green Car (first class) canonical | 1 |
| Green car (first class) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8529528 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Green Car (first class) Context triple: [Narita Express, classConfiguration, Green Car (first class)]
-
A.
lounge car
A lounge car is a comfortable passenger train carriage designed for relaxation and socializing, typically featuring spacious seating and large windows for scenic viewing.
-
B.
First Class
First Class is Delta Air Lines’ premium cabin offering enhanced comfort, service, and amenities compared to its standard economy seating.
-
C.
The Third-Class Carriage
The Third-Class Carriage is a famous 19th-century painting by Honoré Daumier that poignantly depicts the hardships and dignity of working-class railway passengers.
-
D.
Class 150 train
The Class 150 train is a British diesel multiple unit introduced in the 1980s for regional and commuter services, widely used across the UK rail network.
-
E.
Aventra
Aventra is a family of modern electric multiple-unit trains designed and built by Bombardier Transportation (now Alstom) for use on the UK rail network.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Green Car (first class) Target entity description: Green Car (first class) is the premium, reserved-seat first-class section on the Narita Express, offering more spacious and comfortable seating and enhanced onboard amenities compared to standard cars.
-
A.
lounge car
A lounge car is a comfortable passenger train carriage designed for relaxation and socializing, typically featuring spacious seating and large windows for scenic viewing.
-
B.
First Class
First Class is Delta Air Lines’ premium cabin offering enhanced comfort, service, and amenities compared to its standard economy seating.
-
C.
The Third-Class Carriage
The Third-Class Carriage is a famous 19th-century painting by Honoré Daumier that poignantly depicts the hardships and dignity of working-class railway passengers.
-
D.
Class 150 train
The Class 150 train is a British diesel multiple unit introduced in the 1980s for regional and commuter services, widely used across the UK rail network.
-
E.
Aventra
Aventra is a family of modern electric multiple-unit trains designed and built by Bombardier Transportation (now Alstom) for use on the UK rail network.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
first-class railway accommodation
ⓘ
train service class ⓘ |
| amenityLevel | higher than standard Narita Express cars ⓘ |
| appliesTo | Narita Express services between central Tokyo and Narita Airport ⓘ |
| branding | Green Car ⓘ |
| country | Japan ⓘ |
| designedFor | longer-distance airport access travel ⓘ |
| distinctionFrom | ordinary-class cars on Narita Express ⓘ |
| feature |
car-end luggage areas
ⓘ
dedicated luggage space ⓘ enhanced onboard amenities ⓘ individual seat tables ⓘ larger seat pitch ⓘ more comfortable seating than standard cars ⓘ more spacious seating than standard cars ⓘ overhead luggage racks ⓘ power outlets at seats ⓘ quieter environment than standard cars ⓘ reclining seats ⓘ reserved seating only ⓘ wider seats ⓘ |
| hasClassHierarchy | higher class than ordinary reserved seat on Narita Express ⓘ |
| onboardService |
airline-style information for airport access
ⓘ
announcements in multiple languages ⓘ |
| operatedBy |
East Japan Railway Company
ⓘ
JR East ⓘ
linked to:
East Japan Railway Company
|
| partOf | Narita Express ⓘ |
| railwayClassColor | green ⓘ |
| railwayLineService | Narita Express ⓘ |
| railwayOperatorRegion | East Japan ⓘ |
| serviceType |
first-class section
ⓘ
premium reserved-seat class ⓘ |
| targetPassenger | air travelers seeking higher comfort ⓘ |
| ticketRequirement |
Green Car reserved-seat surcharge
ⓘ
Narita Express basic fare ticket ⓘ |
| usedOnRollingStockType | E259 series EMU ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Green Car (first class) Description of subject: Green Car (first class) is the premium, reserved-seat first-class section on the Narita Express, offering more spacious and comfortable seating and enhanced onboard amenities compared to standard cars.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Green Car (first class)
linked to: Green Car (first class)