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: protectorate of Tonkin | Statement: [Son Tay, French Indochina, partOf, protectorate of Tonkin]

Target entity: protectorate of Tonkin
Context triple: [Son Tay, French Indochina, partOf, protectorate of Tonkin]

• A. Protectorate of Annam
  The Protectorate of Annam was a central Vietnamese monarchy under French colonial rule, forming one of the key constituent regions of French Indochina.
• B. Cochinchina
  Cochinchina was the southern region of Vietnam that became a French colony and later formed part of French Indochina.
• C. French Indochina
  French Indochina was a French colonial federation in Southeast Asia, comprising territories such as Vietnam, Laos, and Cambodia, that existed from the late 19th century until the mid-20th century.
• D. Tonkin chosen
  Tonkin was a historical region in northern Vietnam, centered around Hanoi, that became a French protectorate and key part of colonial French Indochina.
• E. Protectorate of Cambodia within French Indochina
  The Protectorate of Cambodia within French Indochina was a colonial-era political entity through which France exercised control over Cambodia’s foreign affairs and much of its internal administration while maintaining the Cambodian monarchy.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.