Triple

Target entity: Interborough Rapid Transit Company
Context triple: [IRT West Side Lines, historicalOperator, Interborough Rapid Transit Company]

• A. Interborough Rapid Transit Company chosen
  The Interborough Rapid Transit Company was the private operator that built and ran New York City's first subway lines in the early 20th century before they were incorporated into the modern NYC Subway system.
• B. Brooklyn Rapid Transit Company
  The Brooklyn Rapid Transit Company was a major early 20th-century transit operator in New York City that controlled and integrated many of Brooklyn’s elevated and streetcar lines before becoming part of the city’s unified subway system.
• C. Brooklyn–Manhattan Transit Corporation
  The Brooklyn–Manhattan Transit Corporation was a major early 20th-century New York City rapid transit company that operated subways and elevated lines in Brooklyn and Manhattan before being absorbed into the city’s unified transit system.
• D. Brooklyn & Queens Transit Corporation
  The Brooklyn & Queens Transit Corporation was a New York City streetcar operator that ran extensive trolley services in the boroughs of Brooklyn and Queens during the first half of the 20th century.
• E. Staten Island Rapid Transit Operating Authority
  The Staten Island Rapid Transit Operating Authority is a public agency of the Metropolitan Transportation Authority responsible for managing and overseeing Staten Island’s railway transit services.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.