Mark 2 coaching stock
E119092
Mark 2 coaching stock is a class of British Rail passenger carriages introduced in the 1960s, widely used across the UK rail network for intercity and regional services.
All labels observed (6)
How this entity was disambiguated
This entity first appeared as the object of triple T1049652 — 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: Mark 2 coaching stock Context triple: [Virgin CrossCountry, operatedRollingStock, Mark 2 coaching stock]
-
A.
Mark-3
Mark-3 is the third-generation Jaeger class to which the iconic mech Gipsy Danger belongs in the Pacific Rim universe.
-
B.
MK 2
MK 2 is the small natural satellite orbiting the distant dwarf planet Makemake in the Kuiper Belt.
-
C.
M-22
M-22 is a scenic state highway in Michigan renowned for its picturesque route along the Lake Michigan shoreline and through the Leelanau Peninsula near Traverse City.
-
D.
M-28
M-28 is a major east–west state highway running across Michigan’s Upper Peninsula, connecting numerous communities along the southern shore of Lake Superior.
-
E.
Mascot Company E-2
Mascot Company E-2 is a Texas A&M University student unit responsible for caring for and escorting the school’s official mascot, Reveille.
- 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: Mark 2 coaching stock Target entity description: Mark 2 coaching stock is a class of British Rail passenger carriages introduced in the 1960s, widely used across the UK rail network for intercity and regional services.
-
A.
Mark-3
Mark-3 is the third-generation Jaeger class to which the iconic mech Gipsy Danger belongs in the Pacific Rim universe.
-
B.
MK 2
MK 2 is the small natural satellite orbiting the distant dwarf planet Makemake in the Kuiper Belt.
-
C.
M-22
M-22 is a scenic state highway in Michigan renowned for its picturesque route along the Lake Michigan shoreline and through the Leelanau Peninsula near Traverse City.
-
D.
M-28
M-28 is a major east–west state highway running across Michigan’s Upper Peninsula, connecting numerous communities along the southern shore of Lake Superior.
-
E.
Mascot Company E-2
Mascot Company E-2 is a Texas A&M University student unit responsible for caring for and escorting the school’s official mascot, Reveille.
- F. None of above. chosen
Statements (54)
| Predicate | Object |
|---|---|
| instanceOf |
British Rail coaching stock
ⓘ
passenger carriage ⓘ |
| brakeType |
air brake (later vehicles)
ⓘ
vacuum brake (early vehicles) ⓘ |
| carBodyMaterial | steel ⓘ |
| configuration |
brake coach
ⓘ
corridor coach ⓘ first class coach ⓘ open coach ⓘ restaurant/buffet coach ⓘ standard class coach ⓘ |
| constructionEnded | 1975 ⓘ |
| constructionStarted | 1963 ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| currentUse |
charter trains
ⓘ
heritage railways ⓘ some regional services in modified form ⓘ |
| designedToImprove | crashworthiness compared to Mark 1 ⓘ |
| designFeature |
air suspension on later subclasses
ⓘ
improved gangway connections ⓘ improved secondary suspension ⓘ integral steel body-shell ⓘ pressure ventilation on later subclasses ⓘ |
| doorType | slam doors ⓘ |
| electricalSupply | ETH (Electric Train Heating) ⓘ |
| enteredServiceInDecade | 1960s ⓘ |
| exportedTo |
Ireland
ⓘ
New Zealand ⓘ Sri Lanka ⓘ |
| gauge | standard gauge ⓘ |
| introduced | 1964 ⓘ |
| manufacturer |
BR Derby Works
ⓘ
British Rail Engineering Limited ⓘ |
| maximumSpeed | 100 mph ⓘ |
| numberBuilt | 1930 ⓘ |
| operator | British Rail ⓘ |
| predecessor | British Rail Mark 1 coaching stock ⓘ |
| status | partly withdrawn from regular UK mainline service ⓘ |
| subclass |
Mark 2
ⓘ
Mark 2 coaching stock self-linksurface differs ⓘ
surface form:
Mark 2A
Mark 2B ⓘ Mark 2 coaching stock self-linksurface differs ⓘ
surface form:
Mark 2C
Mark 2 coaching stock self-linksurface differs ⓘ
surface form:
Mark 2D
Mark 2 coaching stock self-linksurface differs ⓘ
surface form:
Mark 2E
Mark 2 coaching stock self-linksurface differs ⓘ
surface form:
Mark 2F
|
| successor | British Rail Mark 3 coaching stock ⓘ |
| usedAfterPrivatisationBy | various UK train operating companies ⓘ |
| usedByOperator |
InterCity
ⓘ
Network SouthEast ⓘ Regional Railways ⓘ ScotRail ⓘ |
| usedFor |
intercity services
ⓘ
regional services ⓘ |
| usedOnNetwork | UK rail network ⓘ |
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: Mark 2 coaching stock Description of subject: Mark 2 coaching stock is a class of British Rail passenger carriages introduced in the 1960s, widely used across the UK rail network for intercity and regional services.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Mark 2A
this entity surface form:
Mark 2C
this entity surface form:
Mark 2D
this entity surface form:
Mark 2E
this entity surface form:
Mark 2F