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: McDonnell Douglas YC-15 | Statement: [Advanced Medium STOL Transport program, resultedInPrototype, McDonnell Douglas YC-15]

Target entity: McDonnell Douglas YC-15
Context triple: [Advanced Medium STOL Transport program, resultedInPrototype, McDonnell Douglas YC-15]

• 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. Convair T-29
  The Convair T-29 is a military trainer and transport aircraft developed from the Convair 240 airliner and used primarily by the U.S. Air Force for navigation and radar training.
• C. PC-6 Porter
  The PC-6 Porter is a Swiss-designed single-engine short takeoff and landing (STOL) utility aircraft widely used for rugged operations such as transport, parachute dropping, and liaison duties.
• D. Fairchild C-123 Provider
  The Fairchild C-123 Provider is a U.S. military transport aircraft widely known for its extensive use in cargo, troop transport, and aerial spray missions during the Vietnam War.
• E. Grumman OV-1 Mohawk
  The Grumman OV-1 Mohawk is a twin-turboprop, battlefield reconnaissance and attack aircraft developed for the U.S. Army during the Cold War, known for its side-looking radar and rugged short takeoff and landing capabilities.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: McDonnell Douglas YC-15
Triple: [Advanced Medium STOL Transport program, resultedInPrototype, McDonnell Douglas YC-15]

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.

Target entity: McDonnell Douglas YC-15
Target entity description: 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.

• 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. Convair T-29
  The Convair T-29 is a military trainer and transport aircraft developed from the Convair 240 airliner and used primarily by the U.S. Air Force for navigation and radar training.
• C. PC-6 Porter
  The PC-6 Porter is a Swiss-designed single-engine short takeoff and landing (STOL) utility aircraft widely used for rugged operations such as transport, parachute dropping, and liaison duties.
• D. Fairchild C-123 Provider
  The Fairchild C-123 Provider is a U.S. military transport aircraft widely known for its extensive use in cargo, troop transport, and aerial spray missions during the Vietnam War.
• E. Grumman OV-1 Mohawk
  The Grumman OV-1 Mohawk is a twin-turboprop, battlefield reconnaissance and attack aircraft developed for the U.S. Army during the Cold War, known for its side-looking radar and rugged short takeoff and landing capabilities.
• F. None of above. chosen

Target predicate: resultedInPrototype
Context triple: [Advanced Medium STOL Transport program, resultedInPrototype, McDonnell Douglas YC-15]

• A. progenitorOf
  Indicates that one entity is the direct biological or ancestral source (parent or originator) of another entity.
• B. result
  Indicates that one entity is produced, caused, or brought about as an outcome or consequence of another entity or process.
• C. constructedAs
  Indicates that one entity is built, formed, or created in the manner, structure, or configuration specified by another entity.
• D. firstImplementedBy
  Indicates that the subject was initially realized, executed, or put into practice by the specified agent or entity.
• E. outcomeOf chosen
  Indicates that one entity is the result, consequence, or product that arises from another entity, event, or process.
• F. None of above.