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: Ken Mattingly | Statement: [Apollo 13, portraysCharacter, Ken Mattingly]

Target entity: Ken Mattingly
Context triple: [Apollo 13, portraysCharacter, Ken Mattingly]

• A. Jack Swigert
  Jack Swigert was an American astronaut, test pilot, and politician best known as the command module pilot of NASA’s ill-fated Apollo 13 lunar mission.
• B. Francis R. Scobee
  Francis R. Scobee was a United States Air Force pilot and NASA astronaut who served as the commander of the Space Shuttle Challenger’s final mission, STS-51-L.
• C. Fred Haise
  Fred Haise is an American astronaut and test pilot best known as the lunar module pilot on the ill-fated Apollo 13 mission.
• D. Jim Lovell
  Jim Lovell is a former NASA astronaut and U.S. Navy captain best known as the commander of the ill-fated Apollo 13 lunar mission and as a co-author of the memoir "Lost Moon," which inspired the film "Apollo 13."
• E. Ronald McNair
  Ronald McNair was an American physicist and NASA astronaut who flew on STS-41-B and was one of the seven crew members who died in the Space Shuttle Challenger disaster.
• 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: Ken Mattingly
Triple: [Apollo 13, portraysCharacter, Ken Mattingly]

Ken Mattingly was a NASA astronaut and U.S. Navy rear admiral best known for his roles in the Apollo and Space Shuttle programs, including serving as command module pilot on Apollo 16.

Target entity: Ken Mattingly
Target entity description: Ken Mattingly was a NASA astronaut and U.S. Navy rear admiral best known for his roles in the Apollo and Space Shuttle programs, including serving as command module pilot on Apollo 16.

• A. Jack Swigert
  Jack Swigert was an American astronaut, test pilot, and politician best known as the command module pilot of NASA’s ill-fated Apollo 13 lunar mission.
• B. Francis R. Scobee
  Francis R. Scobee was a United States Air Force pilot and NASA astronaut who served as the commander of the Space Shuttle Challenger’s final mission, STS-51-L.
• C. Fred Haise
  Fred Haise is an American astronaut and test pilot best known as the lunar module pilot on the ill-fated Apollo 13 mission.
• D. Jim Lovell
  Jim Lovell is a former NASA astronaut and U.S. Navy captain best known as the commander of the ill-fated Apollo 13 lunar mission and as a co-author of the memoir "Lost Moon," which inspired the film "Apollo 13."
• E. Ronald McNair
  Ronald McNair was an American physicist and NASA astronaut who flew on STS-41-B and was one of the seven crew members who died in the Space Shuttle Challenger disaster.
• F. None of above. chosen