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: Martin-Baker MB 2 | Statement: [Martin-Baker MB 3, developmentFrom, Martin-Baker MB 2]

Target entity: Martin-Baker MB 2
Context triple: [Martin-Baker MB 3, developmentFrom, Martin-Baker MB 2]

• A. Martin-Baker MB 3
  The Martin-Baker MB 3 was a British prototype fighter aircraft of the early Second World War era, notable as one of the company’s experimental designs that informed later developments.
• B. Martin-Baker MB 5
  The Martin-Baker MB 5 was a late-World War II British prototype fighter aircraft renowned for its advanced design, excellent performance, and exceptional handling, though it never entered production.
• C. BAC Jet Provost
  The BAC Jet Provost is a British jet-powered trainer aircraft that served as the Royal Air Force’s standard training platform from the late 1950s through the 1970s and became widely used by several air forces worldwide.
• D. Hawker P.1040
  The Hawker P.1040 was a British prototype jet fighter design that led directly to the development of the Royal Navy’s Hawker Sea Hawk carrier-based aircraft.
• E. Martin MB-1
  The Martin MB-1 was an early American twin-engine biplane bomber developed during World War I, notable as one of the first purpose-built bombers used by the U.S. Army Air Service.
• 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: Martin-Baker MB 2
Triple: [Martin-Baker MB 3, developmentFrom, Martin-Baker MB 2]

The Martin-Baker MB 2 was an early British prototype fighter aircraft whose design and testing informed the later development of the Martin-Baker MB 3.

Target entity: Martin-Baker MB 2
Target entity description: The Martin-Baker MB 2 was an early British prototype fighter aircraft whose design and testing informed the later development of the Martin-Baker MB 3.

• A. Martin-Baker MB 3
  The Martin-Baker MB 3 was a British prototype fighter aircraft of the early Second World War era, notable as one of the company’s experimental designs that informed later developments.
• B. Martin-Baker MB 5
  The Martin-Baker MB 5 was a late-World War II British prototype fighter aircraft renowned for its advanced design, excellent performance, and exceptional handling, though it never entered production.
• C. BAC Jet Provost
  The BAC Jet Provost is a British jet-powered trainer aircraft that served as the Royal Air Force’s standard training platform from the late 1950s through the 1970s and became widely used by several air forces worldwide.
• D. Hawker P.1040
  The Hawker P.1040 was a British prototype jet fighter design that led directly to the development of the Royal Navy’s Hawker Sea Hawk carrier-based aircraft.
• E. Martin MB-1
  The Martin MB-1 was an early American twin-engine biplane bomber developed during World War I, notable as one of the first purpose-built bombers used by the U.S. Army Air Service.
• F. None of above. chosen