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: William H. Seward | Statement: [Alaska Purchase, signedForBuyerBy, William H. Seward]

Target entity: William H. Seward
Context triple: [Alaska Purchase, signedForBuyerBy, William H. Seward]

• A. William H. Seward chosen
  William H. Seward was a 19th-century American statesman who served as U.S. Secretary of State under Presidents Abraham Lincoln and Andrew Johnson and was a leading figure in the Union war effort and postwar expansion.
• B. Charles L. McNary
  Charles L. McNary was a prominent Republican U.S. Senator from Oregon who served as Senate Minority Leader in the 1930s and was the Republican vice-presidential nominee in the 1940 election.
• C. Hannibal Hamlin
  Hannibal Hamlin was an American politician from Maine who served as the first vice president under President Abraham Lincoln during the early years of the Civil War.
• D. John Taylor Johnston
  John Taylor Johnston was a 19th-century American businessman and arts patron who served as the first president of the Metropolitan Museum of Art and played a key role in its early development.
• E. George M. Dallas
  George M. Dallas was a 19th-century American politician who served as the 11th vice president of the United States under President James K. Polk.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: signedForBuyerBy
Context triple: [Alaska Purchase, signedForBuyerBy, William H. Seward]

• A. signatoryType
  Indicates the specific role or category of a party that has signed or formally agreed to a document, contract, or agreement.
• B. signedInstrument
  Indicates that an entity has formally signed or executed a specific document, contract, or other legal instrument.
• C. signedDuring
  Indicates that an agreement, document, or contract was signed within a specified time period or during a particular event.
• D. signature chosen
  Indicates that one entity has provided an official or personal signed endorsement, authorization, or acknowledgment on or for another entity.
• E. confirmedBy
  Indicates that one entity validates, approves, or verifies the truth, accuracy, or occurrence of another entity or event.
• F. None of above.