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: Sub-Lieutenant Keith Lockhart | Statement: [The Cruel Sea, mainCharacter, Sub-Lieutenant Keith Lockhart]

Target entity: Sub-Lieutenant Keith Lockhart
Context triple: [The Cruel Sea, mainCharacter, Sub-Lieutenant Keith Lockhart]

• A. Ensign Rutherford
  Ensign Rutherford is a cybernetically enhanced Starfleet engineer and one of the main lower-deck crew members in the animated series Star Trek: Lower Decks.
• B. Ensign Worth Bagley
  Ensign Worth Bagley was a U.S. Navy officer notable as the only American naval officer killed in action during the Spanish–American War.
• C. Ensign Charles Parker
  Ensign Charles Parker is the bumbling, good-natured junior officer from the 1960s World War II sitcom "McHale's Navy," known for his comedic mishaps and loyalty to his crew.
• D. Lt. j.g. Doug Roberts
  Lt. j.g. Doug Roberts is the idealistic and compassionate junior naval officer who serves as the central protagonist of the play and film "Mister Roberts," depicting his struggles with duty, authority, and longing for combat service during World War II.
• E. Lieutenant Nelson
  Lieutenant Nelson is a central character in Robert A. Heinlein’s science fiction novel "Orphans of the Sky," set aboard a generation starship whose inhabitants have forgotten their true situation.
• 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: Sub-Lieutenant Keith Lockhart
Triple: [The Cruel Sea, mainCharacter, Sub-Lieutenant Keith Lockhart]

Sub-Lieutenant Keith Lockhart is a young Royal Navy officer whose experiences and development during World War II form a central focus of Nicholas Monsarrat’s naval novel "The Cruel Sea."

Target entity: Sub-Lieutenant Keith Lockhart
Target entity description: Sub-Lieutenant Keith Lockhart is a young Royal Navy officer whose experiences and development during World War II form a central focus of Nicholas Monsarrat’s naval novel "The Cruel Sea."

• A. Ensign Rutherford
  Ensign Rutherford is a cybernetically enhanced Starfleet engineer and one of the main lower-deck crew members in the animated series Star Trek: Lower Decks.
• B. Ensign Worth Bagley
  Ensign Worth Bagley was a U.S. Navy officer notable as the only American naval officer killed in action during the Spanish–American War.
• C. Ensign Charles Parker
  Ensign Charles Parker is the bumbling, good-natured junior officer from the 1960s World War II sitcom "McHale's Navy," known for his comedic mishaps and loyalty to his crew.
• D. Lt. j.g. Doug Roberts
  Lt. j.g. Doug Roberts is the idealistic and compassionate junior naval officer who serves as the central protagonist of the play and film "Mister Roberts," depicting his struggles with duty, authority, and longing for combat service during World War II.
• E. Lieutenant Nelson
  Lieutenant Nelson is a central character in Robert A. Heinlein’s science fiction novel "Orphans of the Sky," set aboard a generation starship whose inhabitants have forgotten their true situation.
• F. None of above. chosen