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: Langdon Clemens | Statement: [Olivia Langdon Clemens, child, Langdon Clemens]

Target entity: Langdon Clemens
Context triple: [Olivia Langdon Clemens, child, Langdon Clemens]

• A. Langdon Clemens chosen
  Langdon Clemens was the firstborn son of American author Mark Twain (Samuel Clemens), who died in infancy.
• B. Charles Dudley Warner
  Charles Dudley Warner was a 19th-century American essayist and novelist best known for co-authoring "The Gilded Age: A Tale of Today" with Mark Twain, which gave its name to the era of rapid economic growth and social inequality in post–Civil War America.
• C. Mark Twain
  Mark Twain was a renowned 19th-century American author and humorist, best known for works like "The Adventures of Tom Sawyer" and "Adventures of Huckleberry Finn."
• D. William Dean Howells
  William Dean Howells was a prominent 19th-century American realist author, critic, and editor often called the "Dean of American Letters."
• E. Nathaniel Hawthorne
  Nathaniel Hawthorne was a 19th-century American novelist and short story writer best known for his dark romantic works exploring sin, guilt, and morality, including "The Scarlet Letter" and "The House of the Seven Gables."
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.