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 III of Castile | Statement: [Constance of Castile, sibling, Sancho III of Castile]

Target entity: Sancho III of Castile
Context triple: [Constance of Castile, sibling, Sancho III of Castile]

• A. Sancho III of Castile chosen
  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.
• B. 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.
• C. Sancho IV of Castile
  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.
• 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 I of Castile
  Henry I of Castile was a 13th-century king of Castile and León whose brief reign began in childhood and ended abruptly with his early death, leading to the accession of his sister Berengaria and then Ferdinand III.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.