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: Boeing C-17 prototype | Statement: [F117, poweredFirstFlightOf, Boeing C-17 prototype]

Target entity: Boeing C-17 prototype
Context triple: [F117, poweredFirstFlightOf, Boeing C-17 prototype]

• A. Boeing YC-14
  The Boeing YC-14 was a 1970s American experimental short takeoff and landing (STOL) tactical transport aircraft prototype developed for the U.S. Air Force’s Advanced Medium STOL Transport program.
• B. Boeing C-40
  The Boeing C-40 is a military transport and executive transport aircraft derived from the Boeing 737 airliner and used by the U.S. Air Force for personnel and VIP airlift missions.
• C. McDonnell Douglas YC-15 chosen
  The McDonnell Douglas YC-15 was an experimental U.S. Air Force transport aircraft prototype designed in the 1970s to demonstrate advanced short takeoff and landing capabilities and served as a precursor to the Boeing C-17 Globemaster III.
• D. C-141 Starlifter
  The C-141 Starlifter is a retired U.S. Air Force strategic airlifter designed to rapidly transport troops, cargo, and equipment over long distances.
• E. Boeing C-32
  The Boeing C-32 is a military VIP transport aircraft used by the United States Air Force, most notably to carry the U.S. vice president and other senior officials.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: poweredFirstFlightOf
Context triple: [F117, poweredFirstFlightOf, Boeing C-17 prototype]

• A. firstFlight
  Indicates that the associated event or record corresponds to the earliest or initial flight taken or performed by the referenced entity.
• B. firstPoweredFlightDate
  Indicates the calendar date on which an entity (typically an aircraft or spacecraft) achieved its first powered flight.
• C. firstSupersonicFlight
  Indicates that the event represents the earliest instance in which an aircraft or object exceeded the speed of sound.
• D. firstFlightType
  Indicates the category or nature of an entity’s initial flight (e.g., test, commercial, cargo, passenger).
• E. firstFlightWithEngine chosen
  Indicates that the subject entity represents the first flight event in which the specified engine was used or operated.
• F. None of above.