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: Yorktown class | Statement: [USS Enterprise (CV-6), partOfClass, Yorktown class]

Target entity: Yorktown class
Context triple: [USS Enterprise (CV-6), partOfClass, Yorktown class]

• A. Yorktown class chosen
  The Yorktown class was a group of U.S. Navy aircraft carriers built in the late 1930s that played a pivotal role in early World War II Pacific naval battles.
• B. Lexington class
  The Lexington class was a pair of early U.S. Navy aircraft carriers, originally laid down as battlecruisers, that played a key role in developing American carrier aviation between the World Wars and during the early years of World War II.
• C. Essex class
  The Essex class was a highly successful World War II-era U.S. Navy aircraft carrier class that formed the backbone of American carrier operations in the Pacific.
• D. Hancock-class frigate
  The Hancock-class frigate was a class of late 18th-century sailing warships of the Continental Navy, designed as relatively large, fast, and heavily armed frigates for use during the American Revolutionary War.
• E. York class
  The York class was a British Royal Navy class of heavy cruisers built under interwar naval treaties, known for their service in World War II.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.