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: William Sergeant Bouvier | Statement: [John Vernou Bouvier III, sibling, William Sergeant Bouvier]

Target entity: William Sergeant Bouvier
Context triple: [John Vernou Bouvier III, sibling, William Sergeant Bouvier]

• A. John Vernou Bouvier III
  John Vernou Bouvier III was an American Wall Street stockbroker and socialite best known as the father of First Lady Jacqueline Kennedy Onassis.
• B. Matthew Harrison Brady
  Matthew Harrison Brady is a fictional, populist three-time presidential candidate and prosecuting attorney in the play "Inherit the Wind," modeled on William Jennings Bryan.
• C. John Parke Custis
  John Parke Custis was the son of Martha Washington and stepson of George Washington, known primarily as a member of the prominent Custis-Washington family in colonial Virginia.
• D. Robert Ross
  Robert Ross was a British Army major general best known for leading the successful land attack on Washington, D.C. during the War of 1812, which resulted in the burning of several U.S. public buildings.
• E. Pierce Bush
  Pierce Bush is an American businessman and philanthropist, known for leading the nonprofit organization Big Brothers Big Sisters Lone Star and for being a member of the Bush political family.
• 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: William Sergeant Bouvier
Triple: [John Vernou Bouvier III, sibling, William Sergeant Bouvier]

William Sergeant Bouvier was a member of the prominent Bouvier family and an uncle of Jacqueline Kennedy Onassis.

Target entity: William Sergeant Bouvier
Target entity description: William Sergeant Bouvier was a member of the prominent Bouvier family and an uncle of Jacqueline Kennedy Onassis.

• A. John Vernou Bouvier III
  John Vernou Bouvier III was an American Wall Street stockbroker and socialite best known as the father of First Lady Jacqueline Kennedy Onassis.
• B. Matthew Harrison Brady
  Matthew Harrison Brady is a fictional, populist three-time presidential candidate and prosecuting attorney in the play "Inherit the Wind," modeled on William Jennings Bryan.
• C. John Parke Custis
  John Parke Custis was the son of Martha Washington and stepson of George Washington, known primarily as a member of the prominent Custis-Washington family in colonial Virginia.
• D. Robert Ross
  Robert Ross was a British Army major general best known for leading the successful land attack on Washington, D.C. during the War of 1812, which resulted in the burning of several U.S. public buildings.
• E. Pierce Bush
  Pierce Bush is an American businessman and philanthropist, known for leading the nonprofit organization Big Brothers Big Sisters Lone Star and for being a member of the Bush political family.
• F. None of above. chosen