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: Stalwart-class ocean surveillance ships | Statement: [USNS Relentless, partOf, Stalwart-class ocean surveillance ships]

Target entity: Stalwart-class ocean surveillance ships
Context triple: [USNS Relentless, partOf, Stalwart-class ocean surveillance ships]

• A. Stalwart-class ocean surveillance ships chosen
  Stalwart-class ocean surveillance ships are U.S. Navy auxiliary vessels designed primarily for anti-submarine warfare support and undersea surveillance using towed array sonar systems.
• B. Courageous-class ships
  Courageous-class ships were a group of British Royal Navy warships originally built as large light cruisers during World War I and later converted into aircraft carriers.
• C. Saam‑class frigate
  The Saam-class frigate was a British-built class of guided-missile frigates designed in the 1960s for Iran, notable for its advanced weaponry and service in the Imperial Iranian Navy.
• D. Valour-class frigates
  Valour-class frigates are a class of modern multi-role warships operated by the South African Navy, designed for anti-air, anti-surface, and anti-submarine warfare.
• E. Fearless-class patrol vessel
  The Fearless-class patrol vessel is a class of coastal patrol ships designed for maritime security, surveillance, and patrol operations, primarily operated by the Republic of Singapore Navy.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.