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: Sancho IV of Castile | Statement: [Ferdinand IV of Castile, father, Sancho IV of Castile]

Target entity: Sancho IV of Castile
Context triple: [Ferdinand IV of Castile, father, Sancho IV of Castile]

• A. Sancho IV of Castile chosen
  Sancho IV of Castile was a 13th-century king of Castile and León known for consolidating royal authority amid internal dynastic conflicts and external wars on the Iberian Peninsula.
• B. Sancho III of Castile
  Sancho III of Castile was a 12th-century king of Castile whose brief and turbulent reign was marked by internal noble conflicts and struggles for power within the Iberian Christian kingdoms.
• C. Sancho II of Castile
  Sancho II of Castile was an 11th-century Iberian king from the Jiménez dynasty who ruled Castile and briefly León during the turbulent period following the partition of Ferdinand I’s realms among his sons.
• D. Sancho II
  Sancho II was a 13th-century King of Portugal whose troubled reign was marked by internal conflicts and eventual deposition in favor of his brother.
• E. 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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.