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: UGM-27 Polaris A-2 | Statement: [Polaris missile system, hasComponent, UGM-27 Polaris A-2]

Target entity: UGM-27 Polaris A-2
Context triple: [Polaris missile system, hasComponent, UGM-27 Polaris A-2]

• A. UGM-73 Poseidon
  The UGM-73 Poseidon was a U.S. Navy submarine-launched ballistic missile (SLBM) developed during the Cold War, notable for its multiple independently targetable reentry vehicles (MIRVs) and enhanced range and payload over its predecessor.
• B. Polaris missile system
  The Polaris missile system was an early U.S. submarine-launched ballistic missile (SLBM) program that provided a key component of the nation's nuclear deterrent during the Cold War.
• C. UGM-133A
  UGM-133A is the U.S. Navy’s Trident II D5 submarine-launched ballistic missile, a key component of the American nuclear deterrent.
• D. SS-19 Stiletto ICBM
  The SS-19 Stiletto is a Soviet-era, silo-based intercontinental ballistic missile designed to deliver multiple nuclear warheads over long ranges as part of the Cold War strategic arsenal.
• E. Trident I C4
  Trident I C4 is an earlier-generation U.S. submarine-launched ballistic missile that preceded and paved the way for the more advanced Trident II D5 system.
• 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: UGM-27 Polaris A-2
Triple: [Polaris missile system, hasComponent, UGM-27 Polaris A-2]

UGM-27 Polaris A-2 was an improved second-generation U.S. submarine-launched ballistic missile designed for nuclear deterrence during the Cold War.

Target entity: UGM-27 Polaris A-2
Target entity description: UGM-27 Polaris A-2 was an improved second-generation U.S. submarine-launched ballistic missile designed for nuclear deterrence during the Cold War.

• A. UGM-73 Poseidon
  The UGM-73 Poseidon was a U.S. Navy submarine-launched ballistic missile (SLBM) developed during the Cold War, notable for its multiple independently targetable reentry vehicles (MIRVs) and enhanced range and payload over its predecessor.
• B. Polaris missile system chosen
  The Polaris missile system was an early U.S. submarine-launched ballistic missile (SLBM) program that provided a key component of the nation's nuclear deterrent during the Cold War.
• C. UGM-133A
  UGM-133A is the U.S. Navy’s Trident II D5 submarine-launched ballistic missile, a key component of the American nuclear deterrent.
• D. SS-19 Stiletto ICBM
  The SS-19 Stiletto is a Soviet-era, silo-based intercontinental ballistic missile designed to deliver multiple nuclear warheads over long ranges as part of the Cold War strategic arsenal.
• E. Trident I C4
  Trident I C4 is an earlier-generation U.S. submarine-launched ballistic missile that preceded and paved the way for the more advanced Trident II D5 system.
• F. None of above.