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: Belgian neutrality in international law | Statement: [Treaty of London (1839), legalBasisFor, Belgian neutrality in international law]

Target entity: Belgian neutrality in international law
Context triple: [Treaty of London (1839), legalBasisFor, Belgian neutrality in international law]

• A. Belgian neutrality chosen
  Belgian neutrality was the 19th- and early 20th-century international status under which Belgium was guaranteed independence and forbidden from taking sides in European conflicts, a condition whose violation helped trigger World War I.
• B. Preliminary Treaty of London on Belgian independence
  The Preliminary Treaty of London on Belgian independence was an 1831 diplomatic agreement in which the major European powers recognized and defined the new Kingdom of Belgium’s separation from the Netherlands.
• C. Treaties of Belgium
  Treaties of Belgium are international agreements involving Belgium that have helped define its borders, sovereignty, and diplomatic relations since its independence in the 19th century.
• D. Neutrality principle
  The neutrality principle is a constitutional doctrine requiring government actions and laws—especially regarding religion—to remain impartial and neither favor nor disfavor any particular belief or nonbelief.
• E. Belgian nationality law
  Belgian nationality law is the legal framework that defines how Belgian citizenship is acquired, lost, and transmitted, both within Belgium and among Belgians living abroad.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.