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: YF-17 Cobra | Statement: [General Electric F404, firstFlightOn, YF-17 Cobra]

Target entity: YF-17 Cobra
Context triple: [General Electric F404, firstFlightOn, YF-17 Cobra]

• A. Northrop YF-17 chosen
  The Northrop YF-17 was a lightweight prototype fighter aircraft developed in the 1970s that served as the design basis for the later F/A-18 Hornet.
• B. Northrop F-20 Tigershark
  The Northrop F-20 Tigershark was a lightweight, single-engine supersonic fighter aircraft developed in the 1980s as an advanced, export-oriented evolution of the F-5, featuring modern avionics and improved performance but never entering mass production.
• C. Grumman X-29
  The Grumman X-29 was an experimental U.S. research aircraft notable for its forward-swept wings, advanced composite materials, and fly-by-wire control system used to explore extreme aerodynamic concepts.
• D. Rockwell-MBB X-31
  The Rockwell-MBB X-31 was an experimental jet fighter demonstrator designed to test advanced thrust vectoring and high-angle-of-attack maneuverability technologies.
• E. YF-23 Black Widow II
  The YF-23 Black Widow II was an experimental stealth fighter prototype developed by Northrop/McDonnell Douglas for the U.S. Air Force’s Advanced Tactical Fighter program, competing against what became the F-22 Raptor.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: firstFlightOn
Context triple: [General Electric F404, firstFlightOn, YF-17 Cobra]

• A. firstFlight
  Indicates that the associated event or record corresponds to the earliest or initial flight taken or performed by the referenced entity.
• B. firstFlightType
  Indicates the category or nature of an entity’s initial flight (e.g., test, commercial, cargo, passenger).
• C. firstFlownAt chosen
  Indicates the date or time at which something (typically an aircraft or spacecraft) was first flown.
• D. firstCrewedFlightDate
  Indicates the calendar date on which an entity undertook its first flight carrying human crew.
• E. firstCommercialFlight
  Indicates that the subject entity operated or was involved in the earliest commercial flight associated with the object entity (such as a route, aircraft type, or service).
• F. None of above.