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: X-4 No. 1 | Statement: [Northrop X-4 Bantam, firstPrototypeDesignation, X-4 No. 1]

Target entity: X-4 No. 1
Context triple: [Northrop X-4 Bantam, firstPrototypeDesignation, X-4 No. 1]

• A. Northrop X-4 Bantam chosen
  The Northrop X-4 Bantam was a late-1940s American experimental jet aircraft designed to test the stability and handling of a tailless, swept-wing configuration at transonic speeds.
• B. Bell X-5
  The Bell X-5 was an early U.S. experimental jet that pioneered variable-sweep wing technology, helping to shape the design of later high-performance military aircraft.
• C. Bell X-1D
  The Bell X-1D was an experimental rocket-powered research aircraft in the X-1 series, built to extend high-speed flight testing beyond the capabilities of the original Bell X-1.
• D. Bell X-1B
  The Bell X-1B was an advanced variant of the original Bell X-1 rocket-powered research aircraft, used primarily to investigate high-speed aerodynamic heating and stability at transonic and supersonic speeds.
• E. Bell X-1C
  The Bell X-1C was a planned but never completed advanced variant of the Bell X-1 rocket-powered research aircraft, intended for high-speed military weapons testing.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: firstPrototypeDesignation
Context triple: [Northrop X-4 Bantam, firstPrototypeDesignation, X-4 No. 1]

• A. firstModel chosen
  Indicates that an entity is the initial or earliest model/version in a sequence or series of models.
• B. formerDesignation
  Indicates that an entity previously held a particular title, role, or designation that it no longer holds.
• C. isDesignedAs
  Indicates that something has been intentionally created or configured to serve as or function in the role of something else.
• D. firstAnnouncedBy
  Indicates that one entity is the original source or originator that publicly disclosed, reported, or made known another entity or item for the first time.
• E. firstDeployed
  Indicates the time or event when something (such as a system, product, or resource) was initially put into active use or operation.
• F. None of above.