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: asiento de negros | Statement: [Anglo-Spanish War (1739–1748), relatedTo, asiento de negros]

Target entity: asiento de negros
Context triple: [Anglo-Spanish War (1739–1748), relatedTo, asiento de negros]

• A. asiento de negros contract
  The asiento de negros contract was a major early 18th-century agreement granting Britain the exclusive right to supply enslaved Africans to Spanish America, significantly expanding British involvement in the transatlantic slave trade.
• B. Asientos
  Asientos is a historic mining town and municipality in the northeastern part of the Mexican state of Aguascalientes.
• C. Sillas
  Sillas is a surname most notably associated with American actress Karen Sillas, known for her work in independent film and television.
• D. Asiento de Negros chosen
  Asiento de Negros was a Spanish Crown-granted monopoly contract that allowed designated traders, notably the British South Sea Company, to supply enslaved Africans to Spanish America, becoming a major source of international tension in the 18th century.
• E. Las Negras
  Las Negras is a small coastal village in Spain’s Almería province, known for its volcanic landscapes, clear waters, and tranquil beaches within the Cabo de Gata-Níjar area.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.