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: Tonkin theatre of the Sino-French War | Statement: [Battle of Bang Bo, theatre, Tonkin theatre of the Sino-French War]

Target entity: Tonkin theatre of the Sino-French War
Context triple: [Battle of Bang Bo, theatre, Tonkin theatre of the Sino-French War]

• A. Haiphong incident
  The Haiphong incident was a violent 1946 clash between French colonial forces and Vietnamese nationalists in the port city of Haiphong that escalated tensions and helped trigger the First Indochina War.
• B. Tonkin Campaign chosen
  The Tonkin Campaign was a late 19th-century French military operation in northern Vietnam that led to the establishment of French colonial control over the region.
• C. Cochinchina campaign
  The Cochinchina campaign was a mid-19th-century French and Spanish military intervention in southern Vietnam that led to the establishment of French colonial rule in the region.
• D. Lam Son Square
  Lam Son Square is a prominent public square in central Ho Chi Minh City, Vietnam, known for its cultural venues, hotels, and proximity to major landmarks like the Saigon Opera House.
• E. Tonkin
  Tonkin was a historical region in northern Vietnam, centered around Hanoi, that became a French protectorate and key part of colonial French Indochina.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.