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: Joanna la Beltraneja | Statement: [Afonso V of Portugal, spouse, Joanna la Beltraneja]

Target entity: Joanna la Beltraneja
Context triple: [Afonso V of Portugal, spouse, Joanna la Beltraneja]

• A. Joanna la Beltraneja chosen
  Joanna la Beltraneja was a 15th-century Castilian princess and disputed claimant to the thrones of Castile and León, whose contested legitimacy sparked a major succession crisis and civil war.
• B. Joanna of Castile
  Joanna of Castile, also known as Joanna the Mad, was a queen of Castile and Aragon whose reign marked the dynastic union that led to a unified Spain, though she spent much of her life confined due to alleged mental illness.
• C. Mafalda of Castile
  Mafalda of Castile was a 13th-century Castilian infanta, daughter of King Alfonso VIII of Castile and Queen Eleanor of England, known primarily for her royal lineage and early death before marriage.
• D. Berengaria of Navarre
  Berengaria of Navarre was a medieval queen consort of England, known as the wife of King Richard the Lionheart and for never having set foot in England during his reign.
• E. Juana Manuel of Castile
  Juana Manuel of Castile was a 14th-century Castilian noblewoman and heiress whose marriage into the royal Trastámara line strengthened Henry II of Castile’s claim to the throne.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.