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: Otto von Bismarck | Statement: [Peace of Prague (1866), principalNegotiator, Otto von Bismarck]

Target entity: Otto von Bismarck
Context triple: [Peace of Prague (1866), principalNegotiator, Otto von Bismarck]

• A. Otto von Bismarck chosen
  Otto von Bismarck was a 19th-century Prussian statesman who engineered the unification of Germany and served as the first Chancellor of the German Empire.
• B. Ferdinand von Bismarck
  Ferdinand von Bismarck was a Prussian nobleman and landowner from the influential Bismarck family and the father of German statesman Otto von Bismarck.
• C. Wilhelm von Bismarck
  Wilhelm von Bismarck was a German lawyer, politician, and landowner who served as a member of the Reichstag and as President of the Regency of Hanover in the late 19th century.
• D. Bernhard von Bismarck
  Bernhard von Bismarck was a member of the German Bismarck family, known as the son of Wilhelmine Mencken and part of the broader Prussian aristocratic lineage that included statesman Otto von Bismarck.
• E. Georg von Bismarck
  Georg von Bismarck was a German Wehrmacht general during World War II, best known for his leadership of armored units in the North African campaign.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: principalNegotiator
Context triple: [Peace of Prague (1866), principalNegotiator, Otto von Bismarck]

• A. negotiatingParty
  Indicates that an entity is actively involved as a participant in a negotiation process with another entity.
• B. negotiatingPartyLeader chosen
  Indicates that the subject is the primary representative or leader directing or overseeing a party involved in a negotiation.
• C. principalInterlocutor
  Indicates that one entity serves as the main or primary conversational partner or speaker in an interaction with another entity.
• D. negotiationRole
  Indicates the specific function or capacity an entity assumes within a negotiation process (e.g., buyer, seller, mediator, or representative).
• E. 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).
• F. None of above.