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: John Vorster | Statement: [Nicolaas Diederichs, head of government, John Vorster]

Target entity: John Vorster
Context triple: [Nicolaas Diederichs, head of government, John Vorster]

• A. Marthinus Vorster
  Marthinus Vorster is a notable individual who shares the surname Vorster, likely recognized within a specific professional, historical, or regional context.
• B. B. J. Vorster chosen
  B. J. Vorster was a South African politician who served as prime minister and later state president during the apartheid era, playing a central role in enforcing and defending the system of racial segregation.
• C. Louis Botha
  Louis Botha was a prominent Boer military leader who became the first Prime Minister of the Union of South Africa.
• D. Hendrik Verwoerd
  Hendrik Verwoerd was the South African prime minister widely regarded as the chief architect of the apartheid system of racial segregation and white minority rule.
• E. Francois Botha
  Francois Botha is a South African former professional heavyweight boxer known for facing numerous world champions and contenders during the 1990s and 2000s.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: head of government
Context triple: [Nicolaas Diederichs, head of government, John Vorster]

• A. headOfGovernment chosen
  Indicates that one entity serves as the chief executive authority or leader of the government of another entity.
• B. formalHeadOfGovernment
  Indicates that an entity serves as the official, constitutionally recognized head of a government, holding the primary formal executive authority.
• C. headOfGovernmentTypically
  Indicates that one entity is the person who usually serves as the head of government for the other entity (such as a country, state, or jurisdiction).
• D. headOfGovernmentForOffice
  Indicates that a person serves as the head of government corresponding to a specific governmental office or position.
• E. headOfOffice
  Indicates that one entity serves as the chief or leading authority in charge of a particular office or organizational unit.
• F. None of above.