Triple

T15469553
Position Surface form Disambiguated ID Type / Status
Subject Morgan E372121 entity
Predicate servesLineBranch P1293 FINISHED
Object Pink Line Cermak branch E1158702 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Pink Line Cermak branch | Statement: [Morgan, servesLineBranch, Pink Line Cermak branch]

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: Pink Line Cermak branch
Context triple: [Morgan, servesLineBranch, Pink Line Cermak branch]
  • A. Red Line (Chicago "L")
    The Red Line is a major rapid transit route of the Chicago "L" system, running north–south through the city and operating 24 hours a day.
  • B. Cermak Branch of Pink Line chosen
    The Cermak Branch of the Pink Line is a rapid transit route on Chicago’s 'L' system that runs through the city’s West Side and Lower West Side neighborhoods, connecting them to the Loop.
  • C. IND 63rd Street Line
    The IND 63rd Street Line is a New York City Subway line in Manhattan and Queens that carries F and sometimes other services through the 63rd Street Tunnel.
  • D. Orange Line (CTA)
    The Orange Line (CTA) is a rapid transit route in Chicago that connects the Loop with Midway International Airport and several Southwest Side neighborhoods.
  • E. Irving Park (Brown Line)
    Irving Park (Brown Line) is an elevated Chicago 'L' rapid transit station on the city's North Side serving the CTA Brown Line.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69d85cc8bd308190886949510b42e764 elicitation completed
NER batch_69e03f6b49788190b270fdfe92646842 ner completed
NED1 batch_69ff3657972481909219bc040f674c02 ned_source_triple completed
Created at: April 10, 2026, 3:33 a.m.