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: Thomas Beaufort | Statement: [Elizabeth of Lancaster, sibling, Thomas Beaufort]

Target entity: Thomas Beaufort
Context triple: [Elizabeth of Lancaster, sibling, Thomas Beaufort]

• A. Arthur Beaufort
  Arthur Beaufort is a central fictional character in Edward Bulwer-Lytton’s novel "Night and Morning," around whom much of the story’s drama and moral conflict revolves.
• B. Thomas Beaufort, Duke of Exeter chosen
  Thomas Beaufort, Duke of Exeter, was an early 15th-century English nobleman, military commander, and half-uncle of King Henry V who played a prominent role in the Hundred Years’ War and royal government.
• C. Henry Beaufort
  Henry Beaufort was a powerful English cardinal and statesman of the late 14th and early 15th centuries, influential in both church and royal politics during the reigns of the Lancastrian kings.
• D. Humphrey of Lancaster
  Humphrey of Lancaster, also known as Humphrey, Duke of Gloucester, was a 15th-century English prince, soldier, and influential patron of learning who played a key role during the Hundred Years’ War and the minority of Henry VI.
• E. Richard de la Pole
  Richard de la Pole was a Yorkist pretender to the English throne and the last serious claimant of the House of York, who spent much of his life in exile seeking foreign support against the Tudor monarchy.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.