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: Klemens von Metternich | Statement: [Treaty of Vienna (1815), mainNegotiator, Klemens von Metternich]

Target entity: Klemens von Metternich
Context triple: [Treaty of Vienna (1815), mainNegotiator, Klemens von Metternich]

• A. Klemens von Metternich chosen
  Klemens von Metternich was a 19th-century Austrian statesman and diplomat who dominated European politics after the Napoleonic Wars and became a leading architect of the conservative order in Europe.
• B. Friedrich Ferdinand von Beust
  Friedrich Ferdinand von Beust was a 19th-century Saxon and later Austro-Hungarian statesman and diplomat who served as Austrian foreign minister and chancellor, playing a key role in reshaping the Habsburg Empire after its defeat in 1866.
• C. Wenzel Anton von Kaunitz
  Wenzel Anton von Kaunitz was an influential 18th-century Austrian statesman and diplomat who served as Maria Theresa’s chief minister and architect of Habsburg foreign policy.
• D. Ferdinand Walsin Esterhazy
  Ferdinand Walsin Esterhazy was a French Army officer later exposed as the real author of the treasonous documents wrongly attributed to Alfred Dreyfus, making him a central figure in the Dreyfus affair.
• E. Eleonore von Kaunitz
  Eleonore von Kaunitz was an Austrian noblewoman best known as the wife of influential statesman Klemens von Metternich and a member of the prominent Kaunitz family.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: mainNegotiator
Context triple: [Treaty of Vienna (1815), mainNegotiator, Klemens von Metternich]

• A. negotiationRole
  Indicates the specific function or capacity an entity assumes within a negotiation process (e.g., buyer, seller, mediator, or representative).
• B. negotiationAssociatedWith
  Indicates a relationship where a negotiation is connected to, involves, or is conducted by a particular entity (such as a person, organization, or group).
• C. negotiatingParty chosen
  Indicates that an entity is actively involved as a participant in a negotiation process with another entity.
• D. typeOfNegotiation
  Indicates the specific kind or category of negotiation process that characterizes the interaction between the involved parties.
• E. negotiationMechanism
  Indicates a process or method through which parties communicate and bargain to reach a mutually acceptable agreement.
• F. None of above.