Interborough Rapid Transit legacy lines

Target entity: Interborough Rapid Transit legacy lines
Context triple: [Lexington Avenue Express (5), partOfNetwork, Interborough Rapid Transit legacy lines]

• A. Brooklyn IRT lines
  The Brooklyn IRT lines are a group of New York City Subway routes in Brooklyn that were originally built and operated by the Interborough Rapid Transit Company as part of its early rapid transit network.
• B. Bronx elevated lines
  The Bronx elevated lines were early New York City rapid transit routes consisting of elevated railway tracks extending service from Manhattan into the Bronx.
• C. Brooklyn–Manhattan Transit Corporation subway network
  The Brooklyn–Manhattan Transit Corporation subway network was a major early 20th-century rapid transit system in New York City that operated extensive lines in Brooklyn and Manhattan before being incorporated into today’s NYC Subway.
• D. BMT Broadway Line
  The BMT Broadway Line is a major New York City Subway trunk line in Manhattan, carrying N, Q, R, and W trains through Midtown and Lower Manhattan via Broadway.
• E. New York City Subway M line
  The New York City Subway M line is a rapid transit service that runs primarily in Manhattan, Brooklyn, and Queens, connecting neighborhoods such as Middle Village and Forest Hills with Midtown Manhattan via the Sixth Avenue Line.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Interborough Rapid Transit legacy lines
Target entity description: The Interborough Rapid Transit legacy lines are the original New York City Subway routes built and operated by the IRT company in the early 20th century, now forming the A Division of the modern subway system.

• A. Brooklyn IRT lines
  The Brooklyn IRT lines are a group of New York City Subway routes in Brooklyn that were originally built and operated by the Interborough Rapid Transit Company as part of its early rapid transit network.
• B. Bronx elevated lines
  The Bronx elevated lines were early New York City rapid transit routes consisting of elevated railway tracks extending service from Manhattan into the Bronx.
• C. Brooklyn–Manhattan Transit Corporation subway network
  The Brooklyn–Manhattan Transit Corporation subway network was a major early 20th-century rapid transit system in New York City that operated extensive lines in Brooklyn and Manhattan before being incorporated into today’s NYC Subway.
• D. BMT Broadway Line
  The BMT Broadway Line is a major New York City Subway trunk line in Manhattan, carrying N, Q, R, and W trains through Midtown and Lower Manhattan via Broadway.
• E. New York City Subway M line
  The New York City Subway M line is a rapid transit service that runs primarily in Manhattan, Brooklyn, and Queens, connecting neighborhoods such as Middle Village and Forest Hills with Midtown Manhattan via the Sixth Avenue Line.
• F. None of above. chosen