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: RL-201 | Statement: [Avro Canada CF-105 Arrow, prototypeDesignation, RL-201]

Target entity: RL-201
Context triple: [Avro Canada CF-105 Arrow, prototypeDesignation, RL-201]

• A. R20
  R20 is a regional commuter rail line in Catalonia that forms part of the Rodalies de Catalunya network.
• B. R20
  R20 is the internal MTA station identifier code assigned to the Rector Street station on the IRT Broadway–Seventh Avenue Line in the New York City Subway system.
• C. R211
  The R211 is a modern class of New York City Subway cars designed to replace older rolling stock and improve reliability, capacity, and passenger amenities on lines including the BMT Canarsie Line.
• D. R2000
  The R2000 is a 32-bit MIPS RISC microprocessor that became one of the earliest and most influential commercial implementations of the MIPS architecture in the mid-1980s.
• E. SL/R 5000
  The SL/R 5000 is a high-performance V8 sports sedan version of the Holden LX Torana, renowned in Australia for its motorsport heritage and muscle car status.
• 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: RL-201
Triple: [Avro Canada CF-105 Arrow, prototypeDesignation, RL-201]

RL-201 was the first flying prototype of the Avro Canada CF-105 Arrow, a Canadian supersonic interceptor aircraft developed in the 1950s.

Target entity: RL-201
Target entity description: RL-201 was the first flying prototype of the Avro Canada CF-105 Arrow, a Canadian supersonic interceptor aircraft developed in the 1950s.

• A. R20
  R20 is a regional commuter rail line in Catalonia that forms part of the Rodalies de Catalunya network.
• B. R20
  R20 is the internal MTA station identifier code assigned to the Rector Street station on the IRT Broadway–Seventh Avenue Line in the New York City Subway system.
• C. R211
  The R211 is a modern class of New York City Subway cars designed to replace older rolling stock and improve reliability, capacity, and passenger amenities on lines including the BMT Canarsie Line.
• D. R2000
  The R2000 is a 32-bit MIPS RISC microprocessor that became one of the earliest and most influential commercial implementations of the MIPS architecture in the mid-1980s.
• E. SL/R 5000
  The SL/R 5000 is a high-performance V8 sports sedan version of the Holden LX Torana, renowned in Australia for its motorsport heritage and muscle car status.
• F. None of above. chosen