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: US Air Force (as C-97 derivative) | Statement: [Boeing 377 Stratocruiser, usedBy, US Air Force (as C-97 derivative)]

Target entity: US Air Force (as C-97 derivative)
Context triple: [Boeing 377 Stratocruiser, usedBy, US Air Force (as C-97 derivative)]

• A. Boeing C‑97 Stratofreighter chosen
  The Boeing C‑97 Stratofreighter is a post–World War II American long-range military transport aircraft derived from the B-29 bomber and used extensively for cargo and troop transport, as well as aerial refueling.
• B. Douglas C-133 Cargomaster
  The Douglas C-133 Cargomaster was a large, turboprop-powered U.S. military transport aircraft used primarily by the Air Force for heavy and outsized cargo airlift during the Cold War era.
• C. Douglas C-118 Liftmaster
  The Douglas C-118 Liftmaster is a military transport aircraft developed from the DC-6 airliner and used primarily by the United States Air Force and Navy for long-range cargo and personnel transport.
• D. KC-10 Extender
  The KC-10 Extender is a U.S. Air Force aerial refueling and cargo aircraft derived from the McDonnell Douglas DC-10 airliner, used for long-range tanker and transport missions.
• E. Eastern Air Transport
  Eastern Air Transport was an early American airline of the 1920s–1930s that later became part of Eastern Air Lines, helping pioneer commercial passenger and airmail service in the United States.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.