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 II of Castile | Statement: [Maria of Castile, sibling, John II of Castile]

Target entity: John II of Castile
Context triple: [Maria of Castile, sibling, John II of Castile]

• A. John II of Castile chosen
  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.
• B. 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.
• C. Ferdinand III of Castile
  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.
• 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. Louis of Castile
  Louis of Castile was a 13th-century Castilian infante and nobleman, notable as the son of King Ferdinand III of Castile and Joan of Ponthieu.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.