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: 81-717/714 | Statement: [Tagansko–Krasnopresnenskaya Line, hasRollingStockType, 81-717/714]

Target entity: 81-717/714
Context triple: [Tagansko–Krasnopresnenskaya Line, hasRollingStockType, 81-717/714]

• A. 81-171
  81-171 is the numerical designation of a specific Act of the 81st United States Congress, formally identified as Public Law 81-171.
• B. 71-1027
  71-1027 is the U.S. Supreme Court docket number for Baker v. Nelson, a landmark same-sex marriage case from the early 1970s.
• C. B17
  B17 is a New York City bus route that operates in Brooklyn, connecting the Canarsie neighborhood with other parts of the borough.
• D. 84-851
  84-851 is a United States federal statute enacted by the 84th Congress, identified by its public law number in the body of U.S. public laws.
• E. ’81
  ’81 is a song by Joanna Newsom from her 2010 album "Have One on Me," noted for its intimate vocals and sparse, harp-centered arrangement.
• 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: 81-717/714
Triple: [Tagansko–Krasnopresnenskaya Line, hasRollingStockType, 81-717/714]

The 81-717/714 is a widely used Soviet-designed electric multiple unit metro train series that has operated on numerous subway systems across the former Eastern Bloc.

Target entity: 81-717/714
Target entity description: The 81-717/714 is a widely used Soviet-designed electric multiple unit metro train series that has operated on numerous subway systems across the former Eastern Bloc.

• A. 81-171
  81-171 is the numerical designation of a specific Act of the 81st United States Congress, formally identified as Public Law 81-171.
• B. 81-717/714 series chosen
  The 81-717/714 series is a widely used Soviet-designed electric multiple unit metro train type that has operated on numerous subway systems across the former Eastern Bloc and beyond.
• C. 71-1027
  71-1027 is the U.S. Supreme Court docket number for Baker v. Nelson, a landmark same-sex marriage case from the early 1970s.
• D. B17
  B17 is a New York City bus route that operates in Brooklyn, connecting the Canarsie neighborhood with other parts of the borough.
• E. 84-851
  84-851 is a United States federal statute enacted by the 84th Congress, identified by its public law number in the body of U.S. public laws.
• F. None of above.