Triple

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).

Phrase: Main Line Elevated | Statement: [Sullivan Square station, formerService, Main Line Elevated]

Target entity: Main Line Elevated
Context triple: [Sullivan Square station, formerService, Main Line Elevated]

• A. Bridge Line
  Bridge Line was a former rapid transit service in the Philadelphia–Camden area that operated across the Benjamin Franklin Bridge before being replaced and expanded by the PATCO Speedline.
• B. Pink Line
  The Pink Line is a rapid transit route in Chicago's "L" system that runs between the Loop and the city's West Side neighborhoods.
• C. Red Line
  Red Line is a major rapid transit route in the Washington Metro system, running through key areas of Washington, D.C., and its Maryland suburbs.
• D. Red Line
  The Red Line is one of the primary heavy-rail rapid transit routes in Atlanta’s MARTA system, running north–south and serving key destinations across the metropolitan area.
• E. Red Line
  Red Line was the original name of Los Angeles Metro’s B Line, a heavy-rail subway corridor serving key neighborhoods between Downtown Los Angeles and North Hollywood.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Main Line Elevated
Triple: [Sullivan Square station, formerService, Main Line Elevated]

Main Line Elevated was Boston’s original elevated rapid transit line that formed the core of what is now the MBTA Orange Line.

Target entity: Main Line Elevated
Target entity description: Main Line Elevated was Boston’s original elevated rapid transit line that formed the core of what is now the MBTA Orange Line.

• A. Bridge Line
  Bridge Line was a former rapid transit service in the Philadelphia–Camden area that operated across the Benjamin Franklin Bridge before being replaced and expanded by the PATCO Speedline.
• B. Pink Line
  The Pink Line is a rapid transit route in Chicago's "L" system that runs between the Loop and the city's West Side neighborhoods.
• C. Red Line
  Red Line is a major rapid transit route in the Washington Metro system, running through key areas of Washington, D.C., and its Maryland suburbs.
• D. Red Line
  The Red Line is one of the primary heavy-rail rapid transit routes in Atlanta’s MARTA system, running north–south and serving key destinations across the metropolitan area.
• E. Red Line
  Red Line was the original name of Los Angeles Metro’s B Line, a heavy-rail subway corridor serving key neighborhoods between Downtown Los Angeles and North Hollywood.
• F. None of above. chosen