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: Willy Brandt | Statement: [Treaty of Warsaw (1970), signedByHeadOfGovernment, Willy Brandt]

Target entity: Willy Brandt
Context triple: [Treaty of Warsaw (1970), signedByHeadOfGovernment, Willy Brandt]

• A. Willy Brandt chosen
  Willy Brandt was a prominent German Social Democratic politician and Nobel Peace Prize laureate who served as Chancellor of West Germany from 1969 to 1974 and pursued a groundbreaking policy of reconciliation with Eastern Europe known as Ostpolitik.
• B. Helmut Kohl
  Helmut Kohl was a long-serving German chancellor best known for overseeing German reunification and shaping the early course of the European Union.
• C. Otto Grotewohl
  Otto Grotewohl was an East German politician who served as the first Prime Minister of the German Democratic Republic and was a leading figure in its ruling Socialist Unity Party.
• D. Hans-Dietrich Genscher
  Hans-Dietrich Genscher was a prominent German liberal politician who served for many years as Foreign Minister and Vice Chancellor, playing a key role in German reunification and European diplomacy.
• E. Walter Scheel
  Walter Scheel was a German liberal politician who served as Foreign Minister and later President of West Germany, playing a key role in the country's Ostpolitik and détente with Eastern Europe.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: signedByHeadOfGovernment
Context triple: [Treaty of Warsaw (1970), signedByHeadOfGovernment, Willy Brandt]

• A. signatoryGovernment
  Indicates that a government is a formal signer or ratifying party to an agreement, treaty, or similar binding instrument.
• B. signedByRepresentativeOf
  Indicates that an item (such as a document or agreement) has been signed on behalf of a party by that party’s authorized representative.
• C. headOfGovernmentAdvised
  Indicates that one entity, typically an advisor or advisory body, has provided counsel or recommendations to the head of government in making decisions or forming policies.
• D. signedAs chosen
  Indicates that an entity has signed or endorsed something using a particular name, role, or identity.
• E. signedUnderChancellor
  Indicates that a document or agreement was formally signed under the authority, oversight, or tenure of a specific chancellor.
• F. None of above.