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: Blanche of Lancaster | Statement: [Henry IV of England, mother, Blanche of Lancaster]

Target entity: Blanche of Lancaster
Context triple: [Henry IV of England, mother, Blanche of Lancaster]

• A. Blanche of Lancaster chosen
  Blanche of Lancaster was a 14th-century English noblewoman, heiress, and first wife of John of Gaunt, whose inheritance helped lay the foundations of the Lancastrian branch of the English royal family.
• B. Philippa of Lancaster
  Philippa of Lancaster was an English-born queen consort of Portugal from the House of Lancaster, whose marriage to King John I helped solidify the Anglo-Portuguese alliance and produced several influential royal children, including Henry the Navigator.
• C. Mary of Lancaster
  Mary of Lancaster was a medieval English noblewoman, daughter of Edmund Crouchback, 1st Earl of Lancaster, and a member of the royal Plantagenet family.
• D. Catherine of Lancaster
  Catherine of Lancaster was a late 14th- and early 15th-century English princess who became Queen of Castile through marriage, helping to link the English royal line with the Iberian Trastámara dynasty.
• E. Elizabeth of Lancaster
  Elizabeth of Lancaster was an English noblewoman, daughter of John of Gaunt and granddaughter of King Edward III, who played a notable role in the politics of the late 14th century through her influential marriages.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.