5MT
E400052
5MT is the British Railways power classification denoting a mixed-traffic steam locomotive of medium power, famously applied to the LMS Black Five class.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 5MT canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3917070 — 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: 5MT Context triple: [LMS Black Five, powerClassification, 5MT]
-
A.
M54
M54 is a massive globular star cluster located in the constellation Sagittarius, notable for being one of the first globular clusters discovered to reside outside the Milky Way in a satellite galaxy.
-
B.
M5
M5 is a major British motorway that runs through the West Midlands and South West England, connecting the Midlands to the South West peninsula.
-
C.
4MATIC
4MATIC is Mercedes-Benz’s proprietary all-wheel-drive system designed to enhance traction, handling, and stability across various driving conditions.
-
D.
M-5
M-5 is a state highway in southeastern Michigan that serves as a key commuter route connecting Novi and surrounding suburbs to the Detroit metropolitan area.
-
E.
Moto
Moto is a consumer electronics brand used by Motorola Mobility for its line of smartphones and related mobile devices.
- 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: 5MT Target entity description: 5MT is the British Railways power classification denoting a mixed-traffic steam locomotive of medium power, famously applied to the LMS Black Five class.
-
A.
M54
M54 is a massive globular star cluster located in the constellation Sagittarius, notable for being one of the first globular clusters discovered to reside outside the Milky Way in a satellite galaxy.
-
B.
M5
M5 is a major British motorway that runs through the West Midlands and South West England, connecting the Midlands to the South West peninsula.
-
C.
4MATIC
4MATIC is Mercedes-Benz’s proprietary all-wheel-drive system designed to enhance traction, handling, and stability across various driving conditions.
-
D.
M-5
M-5 is a state highway in southeastern Michigan that serves as a key commuter route connecting Novi and surrounding suburbs to the Detroit metropolitan area.
-
E.
Moto
Moto is a consumer electronics brand used by Motorola Mobility for its line of smartphones and related mobile devices.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf |
British Railways power classification
ⓘ
steam locomotive power classification ⓘ |
| appliedToLocomotiveClass |
LMS Black Five
ⓘ
LMS Stanier Class 5 4-6-0 "Black Five" locomotives ⓘ
surface form:
LMS Stanier Class 5 4-6-0
|
| appliesTo | mixed-traffic steam locomotives ⓘ |
| classificationScope | steam locomotives only ⓘ |
| classificationSystem | British Railways steam locomotive power classification system ⓘ |
| country | United Kingdom ⓘ |
| era | steam era ⓘ |
| famousFor | application to LMS Black Five class ⓘ |
| introducedBy |
British Rail
ⓘ
surface form:
British Railways
|
| letterMeaning | mixed-traffic ⓘ |
| locomotiveTypeContext | tender locomotives ⓘ |
| notToBeConfusedWith | diesel locomotive TOPS Class 5 designations ⓘ |
| powerClassLetter | MT ⓘ |
| powerClassNumber | 5 ⓘ |
| powerLevel | medium power ⓘ |
| powerRangeRelativeTo |
4MT
ⓘ
6MT ⓘ |
| railwayRegionContext |
British Railways London Midland Region
ⓘ
former LMS routes ⓘ |
| trafficType | mixed-traffic ⓘ |
| typicalUse |
freight trains
ⓘ
mixed-traffic duties ⓘ passenger trains ⓘ secondary main line services ⓘ |
| usedBy |
British Rail
ⓘ
surface form:
British Railways
|
| wheelArrangementContext | 4-6-0 steam locomotives ⓘ |
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: 5MT Description of subject: 5MT is the British Railways power classification denoting a mixed-traffic steam locomotive of medium power, famously applied to the LMS Black Five class.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.