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: V.21 | Statement: [CCITT, notableStandard, V.21]

Target entity: V.21
Context triple: [CCITT, notableStandard, V.21]

• A. V2
  V2 is a class of British 2-6-2 steam locomotives designed by Sir Nigel Gresley for mixed-traffic duties on the London and North Eastern Railway.
• B. v23
  v23 was a renowned British graphic design studio best known for its distinctive album artwork, particularly for the 4AD record label.
• C. V-320
  V-320 is a Soviet-designed VVER-1000 pressurized water reactor model widely used in nuclear power plants such as the Kalinin plant.
• D. VC2
  VC2 is the U.S. Maritime Commission’s standard hull designation for the World War II–era Victory-class cargo ships.
• E. V.
  V. is a controversial long poem by British poet Tony Harrison that explores class conflict, identity, and social unrest in 1980s England, famously set in a vandalized Leeds cemetery.
• 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: V.21
Triple: [CCITT, notableStandard, V.21]

V.21 is an early ITU-T modem standard that defines low-speed full-duplex data transmission over telephone lines, commonly used for 300 bit/s communication.

Target entity: V.21
Target entity description: V.21 is an early ITU-T modem standard that defines low-speed full-duplex data transmission over telephone lines, commonly used for 300 bit/s communication.

• A. V2
  V2 is a class of British 2-6-2 steam locomotives designed by Sir Nigel Gresley for mixed-traffic duties on the London and North Eastern Railway.
• B. v23
  v23 was a renowned British graphic design studio best known for its distinctive album artwork, particularly for the 4AD record label.
• C. V-320
  V-320 is a Soviet-designed VVER-1000 pressurized water reactor model widely used in nuclear power plants such as the Kalinin plant.
• D. VC2
  VC2 is the U.S. Maritime Commission’s standard hull designation for the World War II–era Victory-class cargo ships.
• E. V.
  V. is a controversial long poem by British poet Tony Harrison that explores class conflict, identity, and social unrest in 1980s England, famously set in a vandalized Leeds cemetery.
• F. None of above. chosen