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: Thresher-class nuclear submarines | Statement: [Skipjack-class nuclear submarines, succeededBy, Thresher-class nuclear submarines]

Target entity: Thresher-class nuclear submarines
Context triple: [Skipjack-class nuclear submarines, succeededBy, Thresher-class nuclear submarines]

• A. Skipjack-class nuclear submarines
  The Skipjack-class nuclear submarines were a pioneering class of fast attack submarines in the U.S. Navy, notable for their teardrop hull design and enhanced underwater speed and maneuverability during the Cold War era.
• B. Vanguard-class ballistic missile submarines
  Vanguard-class ballistic missile submarines are the United Kingdom’s nuclear-powered, nuclear-armed submarines that form the seaborne leg of its strategic deterrent force.
• C. Triomphant-class ballistic missile submarines
  The Triomphant-class ballistic missile submarines are France’s current generation of nuclear-powered strategic deterrent submarines, designed to carry and launch submarine-launched ballistic missiles as part of the French nuclear arsenal.
• D. Dreadnought-class nuclear-powered ballistic missile submarines
  The Dreadnought-class nuclear-powered ballistic missile submarines are the United Kingdom’s next-generation Trident-armed deterrent vessels designed to replace the Vanguard class and maintain the country’s continuous at-sea nuclear deterrence.
• E. Los Angeles-class submarines
  Los Angeles-class submarines are a class of nuclear-powered fast attack submarines used by the United States Navy for missions including anti-submarine warfare, intelligence gathering, and strike operations.
• 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: Thresher-class nuclear submarines
Triple: [Skipjack-class nuclear submarines, succeededBy, Thresher-class nuclear submarines]

The Thresher-class nuclear submarines were early U.S. Navy attack submarines notable for their advanced quieting and deep-diving capabilities, and for the tragic loss of their lead boat, USS Thresher (SSN-593), which led to major safety reforms.

Target entity: Thresher-class nuclear submarines
Target entity description: The Thresher-class nuclear submarines were early U.S. Navy attack submarines notable for their advanced quieting and deep-diving capabilities, and for the tragic loss of their lead boat, USS Thresher (SSN-593), which led to major safety reforms.

• A. Skipjack-class nuclear submarines
  The Skipjack-class nuclear submarines were a pioneering class of fast attack submarines in the U.S. Navy, notable for their teardrop hull design and enhanced underwater speed and maneuverability during the Cold War era.
• B. Vanguard-class ballistic missile submarines
  Vanguard-class ballistic missile submarines are the United Kingdom’s nuclear-powered, nuclear-armed submarines that form the seaborne leg of its strategic deterrent force.
• C. Triomphant-class ballistic missile submarines
  The Triomphant-class ballistic missile submarines are France’s current generation of nuclear-powered strategic deterrent submarines, designed to carry and launch submarine-launched ballistic missiles as part of the French nuclear arsenal.
• D. Dreadnought-class nuclear-powered ballistic missile submarines
  The Dreadnought-class nuclear-powered ballistic missile submarines are the United Kingdom’s next-generation Trident-armed deterrent vessels designed to replace the Vanguard class and maintain the country’s continuous at-sea nuclear deterrence.
• E. Los Angeles-class submarines
  Los Angeles-class submarines are a class of nuclear-powered fast attack submarines used by the United States Navy for missions including anti-submarine warfare, intelligence gathering, and strike operations.
• F. None of above. chosen