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: R11 series | Statement: [IND/BMT large-profile cars, hasCarTypeFamily, R11 series]

Target entity: R11 series
Context triple: [IND/BMT large-profile cars, hasCarTypeFamily, R11 series]

• A. R10 series
  The R10 series was a class of New York City Subway rolling stock built in the late 1940s that introduced several modern design features and served primarily on IND lines for decades.
• B. R11
  R11 is the internal station code used by the New York City Subway for the Grand Central–42nd Street complex in Midtown Manhattan.
• C. R11
  R11 is a regional railway line in Catalonia, Spain, operating under the Rodalies de Catalunya network and connecting Barcelona with towns toward the French border via Girona and Figueres.
• D. R21 series
  The R21 series is a class of New York City Subway rolling stock built for the IND/BMT divisions, featuring large-profile steel cars used in mid-20th-century service.
• E. R46 series
  The R46 series is a class of New York City Subway rolling stock built in the 1970s for the IND/BMT divisions, known for its stainless-steel bodies and use on various lettered lines.
• 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: R11 series
Triple: [IND/BMT large-profile cars, hasCarTypeFamily, R11 series]

The R11 series was a small group of experimental New York City Subway prototype cars built in the late 1940s to test design features for future IND/BMT large-profile rolling stock.

Target entity: R11 series
Target entity description: The R11 series was a small group of experimental New York City Subway prototype cars built in the late 1940s to test design features for future IND/BMT large-profile rolling stock.

• A. R10 series
  The R10 series was a class of New York City Subway rolling stock built in the late 1940s that introduced several modern design features and served primarily on IND lines for decades.
• B. R11
  R11 is the internal station code used by the New York City Subway for the Grand Central–42nd Street complex in Midtown Manhattan.
• C. R11
  R11 is a regional railway line in Catalonia, Spain, operating under the Rodalies de Catalunya network and connecting Barcelona with towns toward the French border via Girona and Figueres.
• D. R21 series
  The R21 series is a class of New York City Subway rolling stock built for the IND/BMT divisions, featuring large-profile steel cars used in mid-20th-century service.
• E. R46 series
  The R46 series is a class of New York City Subway rolling stock built in the 1970s for the IND/BMT divisions, known for its stainless-steel bodies and use on various lettered lines.
• F. None of above. chosen