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-38 Crew Return Vehicle prototype | Statement: [NASA X-plane series, includes, X-38 Crew Return Vehicle prototype]

Target entity: X-38 Crew Return Vehicle prototype
Context triple: [NASA X-plane series, includes, X-38 Crew Return Vehicle prototype]

• A. Orbital Sciences X-34
  The Orbital Sciences X-34 was an experimental, unmanned reusable rocket plane developed in the 1990s to test technologies for low-cost, rapid-turnaround space access.
• B. Lockheed Martin X-33
  The Lockheed Martin X-33 was an experimental, unmanned, subscale technology demonstrator intended to validate key technologies for a reusable single-stage-to-orbit spaceplane.
• C. Dream Chaser spaceplane
  The Dream Chaser spaceplane is a reusable lifting-body spacecraft designed by Sierra Space to carry cargo—and potentially crew—to and from low Earth orbit, landing on conventional runways like an airplane.
• D. Boeing X-37
  The Boeing X-37 is an unmanned, reusable spaceplane operated by the U.S. Space Force that conducts long-duration, classified orbital missions and autonomous runway landings.
• E. Martin Marietta X-24B
  The Martin Marietta X-24B was an experimental lifting-body research aircraft developed in the 1970s to study unpowered reentry and landing techniques that helped pave the way for the Space Shuttle program.
• 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: X-38 Crew Return Vehicle prototype
Triple: [NASA X-plane series, includes, X-38 Crew Return Vehicle prototype]

The X-38 Crew Return Vehicle prototype was an experimental NASA lifting-body spacecraft designed to serve as an emergency lifeboat for astronauts aboard the International Space Station.

Target entity: X-38 Crew Return Vehicle prototype
Target entity description: The X-38 Crew Return Vehicle prototype was an experimental NASA lifting-body spacecraft designed to serve as an emergency lifeboat for astronauts aboard the International Space Station.

• A. Orbital Sciences X-34
  The Orbital Sciences X-34 was an experimental, unmanned reusable rocket plane developed in the 1990s to test technologies for low-cost, rapid-turnaround space access.
• B. Lockheed Martin X-33
  The Lockheed Martin X-33 was an experimental, unmanned, subscale technology demonstrator intended to validate key technologies for a reusable single-stage-to-orbit spaceplane.
• C. Dream Chaser spaceplane
  The Dream Chaser spaceplane is a reusable lifting-body spacecraft designed by Sierra Space to carry cargo—and potentially crew—to and from low Earth orbit, landing on conventional runways like an airplane.
• D. Boeing X-37
  The Boeing X-37 is an unmanned, reusable spaceplane operated by the U.S. Space Force that conducts long-duration, classified orbital missions and autonomous runway landings.
• E. Martin Marietta X-24B
  The Martin Marietta X-24B was an experimental lifting-body research aircraft developed in the 1970s to study unpowered reentry and landing techniques that helped pave the way for the Space Shuttle program.
• F. None of above. chosen