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: R-4R radar-guided missile | Statement: [Tu-128, missileType, R-4R radar-guided missile]

Target entity: R-4R radar-guided missile
Context triple: [Tu-128, missileType, R-4R radar-guided missile]

• A. MICA missile
  The MICA missile is a French-made, all-weather, beyond-visual-range and short-range air-to-air missile used by modern fighter aircraft for highly agile interception and engagement of aerial targets.
• B. R-9 missile
  The R-9 missile was a Soviet intercontinental ballistic missile of the early Cold War era, designed to deliver nuclear warheads over long distances as part of the USSR's strategic deterrent forces.
• C. R-1 missile
  The R-1 missile was an early Soviet short-range ballistic missile closely based on the German V-2, marking the USSR’s first significant step into rocket and missile technology.
• D. SM-64 Navaho missile
  The SM-64 Navaho missile was an experimental U.S. Air Force supersonic cruise missile program of the 1950s that pioneered technologies later used in intercontinental ballistic missiles and space launch vehicles.
• E. Rapier surface-to-air missile
  The Rapier surface-to-air missile is a British short-range air-defense system designed to protect ground forces and key sites from low-flying aircraft and later cruise missiles.
• 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: R-4R radar-guided missile
Triple: [Tu-128, missileType, R-4R radar-guided missile]

The R-4R is a long-range, radar-guided air-to-air missile developed by the Soviet Union primarily for use on heavy interceptor aircraft like the Tu-128 to engage high-altitude targets.

Target entity: R-4R radar-guided missile
Target entity description: The R-4R is a long-range, radar-guided air-to-air missile developed by the Soviet Union primarily for use on heavy interceptor aircraft like the Tu-128 to engage high-altitude targets.

• A. MICA missile
  The MICA missile is a French-made, all-weather, beyond-visual-range and short-range air-to-air missile used by modern fighter aircraft for highly agile interception and engagement of aerial targets.
• B. R-9 missile
  The R-9 missile was a Soviet intercontinental ballistic missile of the early Cold War era, designed to deliver nuclear warheads over long distances as part of the USSR's strategic deterrent forces.
• C. R-1 missile
  The R-1 missile was an early Soviet short-range ballistic missile closely based on the German V-2, marking the USSR’s first significant step into rocket and missile technology.
• D. SM-64 Navaho missile
  The SM-64 Navaho missile was an experimental U.S. Air Force supersonic cruise missile program of the 1950s that pioneered technologies later used in intercontinental ballistic missiles and space launch vehicles.
• E. Rapier surface-to-air missile
  The Rapier surface-to-air missile is a British short-range air-defense system designed to protect ground forces and key sites from low-flying aircraft and later cruise missiles.
• F. None of above. chosen