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: Helen of Anjou | Statement: [Stefan Uroš I of Serbia, spouse, Helen of Anjou]

Target entity: Helen of Anjou
Context triple: [Stefan Uroš I of Serbia, spouse, Helen of Anjou]

• A. Helen of Anjou chosen
  Helen of Anjou was a 13th-century French-born queen consort of Serbia and influential medieval ruler known for her patronage of the Serbian Orthodox Church and education.
• B. Matilda of Anjou
  Matilda of Anjou was a 12th-century noblewoman, daughter of Count Fulk V of Anjou, whose brief marriage to William Adelin linked the Angevin and English royal houses before his death in the White Ship disaster.
• C. Blanche of Anjou
  Blanche of Anjou was a 13th-century French princess of the Capetian House of Anjou who became Queen consort of Aragon through her marriage to King James II.
• D. Yolande of Anjou
  Yolande of Anjou was a 15th-century French noblewoman and Duchess of Lorraine, noted for her political influence during the latter stages of the Hundred Years' War.
• E. Eleanor of Brittany
  Eleanor of Brittany was a 13th-century English princess and daughter of King Henry III and Eleanor of Provence, known for her brief betrothal to Simon de Montfort’s son and her life largely spent in religious devotion.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.