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: John I of Castile | Statement: [Eleanor of Aragon, spouse, John I of Castile]

Target entity: John I of Castile
Context triple: [Eleanor of Aragon, spouse, John I of Castile]

• A. John I of Castile chosen
  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. Henry III of Castile
  Henry III of Castile was a late 14th- and early 15th-century king of Castile and León known for consolidating royal authority, curbing noble power, and strengthening the monarchy’s finances and foreign alliances.
• D. Fernando of Castile
  Fernando of Castile was an infante (prince) of the Kingdom of Castile, known primarily as a younger son of King Alfonso VIII and a member of the medieval Castilian royal family.
• E. 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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.