Triple

T17287454
Position Surface form Disambiguated ID Type / Status
Subject F40PH-2D (rebuilt variants, historically) E419694 entity
Predicate operatedOn P2572 FINISHED
Object Lowell Line NE NERFINISHED

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lowell Line
Context triple: [F40PH-2D (rebuilt variants, historically), operatedOn, Lowell Line]
  • A. Lowell Line chosen
    The Lowell Line is a Massachusetts Bay Transportation Authority commuter rail route that runs between Boston’s North Station and the city of Lowell, serving communities in the Merrimack Valley.
  • B. MBTA Greenbush Line
    The MBTA Greenbush Line is a commuter rail line in Massachusetts that runs from Boston to the South Shore, serving communities including its namesake area in Scituate.
  • C. Fitchburg Line
    The Fitchburg Line is a commuter rail service operated by the Massachusetts Bay Transportation Authority (MBTA) that runs between Boston and the city of Fitchburg in Massachusetts.
  • D. Mattapan Line
    The Mattapan Line is a light rail trolley service in Boston, Massachusetts, operating as part of the MBTA's Red Line system between Ashmont and Mattapan.
  • E. Green Line West Branch
    The Green Line West Branch is a segment of Chicago's 'L' rapid transit system that carries Green Line trains between Harlem/Lake and Ashland/63rd on the city's West Side.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69d886db32608190a61e18862c5a8af6 elicitation completed
NER batch_69e43780fad88190b82193c8335e2f11 ner completed
Created at: April 10, 2026, 5:40 a.m.