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: Edmund of Langley, 1st Duke of York | Statement: [Blanche of the Tower, sibling, Edmund of Langley, 1st Duke of York]

Target entity: Edmund of Langley, 1st Duke of York
Context triple: [Blanche of the Tower, sibling, Edmund of Langley, 1st Duke of York]

• A. Edmund of Langley, 1st Duke of York chosen
  Edmund of Langley, 1st Duke of York, was a 14th-century English prince and nobleman who founded the House of York, a key dynasty in the Wars of the Roses.
• B. Edward of Norwich, 2nd Duke of York
  Edward of Norwich, 2nd Duke of York was an English nobleman, military commander, and prominent figure in the late 14th and early 15th centuries who was killed fighting for the Lancastrians at the Battle of Agincourt.
• C. Richard Plantagenet, 3rd Duke of York
  Richard Plantagenet, 3rd Duke of York was a key 15th-century English noble and claimant to the throne whose dynastic struggle with the Lancastrians helped ignite the Wars of the Roses and paved the way for the Yorkist kings.
• D. Richard of Shrewsbury, Duke of York
  Richard of Shrewsbury, Duke of York was the younger son of King Edward IV of England and one of the two "Princes in the Tower" whose mysterious disappearance has long intrigued historians.
• E. Henry, 3rd Earl of Lancaster
  Henry, 3rd Earl of Lancaster was a prominent 14th-century English nobleman and royal cousin who played a key role in the politics of Edward II and Edward III’s reigns, notably in the opposition to Edward II and the early governance of Edward III.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.