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: John Langdon | Statement: [President pro tempore of the United States Senate, firstHolder, John Langdon]

Target entity: John Langdon
Context triple: [President pro tempore of the United States Senate, firstHolder, John Langdon]

• A. John Billington
  John Billington was an English settler best known as one of the Mayflower passengers at Plymouth Colony and the first person executed for murder in what became the United States.
• B. Jean Speegle Howard
  Jean Speegle Howard was an American character actress known for her work in film and television and as the mother of filmmaker Ron Howard.
• C. William Nolan
  William Nolan is an editor known for his work on editions of classic adventure literature, including "The Mark of Zorro."
• D. Jervis Langdon
  Jervis Langdon was a wealthy 19th-century American coal businessman and abolitionist from Elmira, New York, best known as the father of Olivia Langdon Clemens, the wife of author Mark Twain.
• E. Mark Gastineau
  Mark Gastineau is a former American football defensive end best known as a star pass rusher for the New York Jets in the 1980s and a key member of the famed "New York Sack Exchange" defensive line.
• 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: John Langdon
Triple: [President pro tempore of the United States Senate, firstHolder, John Langdon]

John Langdon was an American Founding Father, Revolutionary War leader, and early U.S. senator from New Hampshire who also served as one of the framers of the Constitution.

Target entity: John Langdon
Target entity description: John Langdon was an American Founding Father, Revolutionary War leader, and early U.S. senator from New Hampshire who also served as one of the framers of the Constitution.

• A. John Billington
  John Billington was an English settler best known as one of the Mayflower passengers at Plymouth Colony and the first person executed for murder in what became the United States.
• B. Jean Speegle Howard
  Jean Speegle Howard was an American character actress known for her work in film and television and as the mother of filmmaker Ron Howard.
• C. William Nolan
  William Nolan is an editor known for his work on editions of classic adventure literature, including "The Mark of Zorro."
• D. Jervis Langdon
  Jervis Langdon was a wealthy 19th-century American coal businessman and abolitionist from Elmira, New York, best known as the father of Olivia Langdon Clemens, the wife of author Mark Twain.
• E. Mark Gastineau
  Mark Gastineau is a former American football defensive end best known as a star pass rusher for the New York Jets in the 1980s and a key member of the famed "New York Sack Exchange" defensive line.
• F. None of above. chosen