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: Fernando of Castile | Statement: [Eleanor of England, Queen of Castile, child, Fernando of Castile]

Target entity: Fernando of Castile
Context triple: [Eleanor of England, Queen of Castile, child, Fernando of Castile]

• A. John I of Castile
  John I of Castile was a 14th-century king of Castile and León whose reign was marked by dynastic conflicts, attempts to claim the Portuguese crown, and efforts to strengthen royal authority on the Iberian Peninsula.
• B. John II of Castile
  John II of Castile was a 15th-century king whose long but politically weak reign was dominated by powerful nobles and favorites, notably Álvaro de Luna, during a turbulent period in Iberian history.
• C. Alfonso, King of Castile
  "Alfonso, King of Castile" is a historical tragedy by Matthew Gregory Lewis that dramatizes the turbulent reign and personal conflicts of a medieval Castilian monarch.
• D. Henry IV of Castile
  Henry IV of Castile was a 15th-century king whose troubled reign was marked by political instability, noble revolts, and disputes over the succession that paved the way for the rise of the Catholic Monarchs.
• E. Ferdinand III of Castile chosen
  Ferdinand III of Castile was a 13th-century king of Castile and León renowned for his major role in the Reconquista and later canonization as a saint.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.