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: Leonid Brezhnev | Statement: [SALT II, SovietLeaderAtSigning, Leonid Brezhnev]

Target entity: Leonid Brezhnev
Context triple: [SALT II, SovietLeaderAtSigning, Leonid Brezhnev]

• A. Leonid Brezhnev chosen
  Leonid Brezhnev was a long-serving Soviet leader whose tenure from the mid-1960s to early 1980s was marked by political stability, military buildup, and economic stagnation often referred to as the “Era of Stagnation.”
• B. Yuri Andropov
  Yuri Andropov was a Soviet politician and former KGB chief who briefly led the USSR in the early 1980s during a period of political stagnation and Cold War tensions.
• C. Konstantin Chernenko
  Konstantin Chernenko was a Soviet politician who briefly led the USSR as General Secretary of the Communist Party from 1984 until his death in 1985, during the final years of the Cold War.
• D. Nikita Khrushchev
  Nikita Khrushchev was a Soviet statesman who led the USSR during part of the Cold War, known for de-Stalinization, the Cuban Missile Crisis, and major domestic reforms.
• E. Mikhail Gorbachev
  Mikhail Gorbachev was the last leader of the Soviet Union, known for his reform policies of perestroika and glasnost that helped end the Cold War and ultimately led to the dissolution of the USSR.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: SovietLeaderAtSigning
Context triple: [SALT II, SovietLeaderAtSigning, Leonid Brezhnev]

• A. hasSovietLeaderParticipant
  Indicates that a Soviet leader is a participant in the referenced event, action, or relationship.
• B. YaltaConferenceParticipants
  Indicates that the entities were participants in the Yalta Conference.
• C. firstSecretaryGeneral
  Indicates that the subject is the first person to hold the position of secretary general of the specified organization or body.
• D. headOfGovernmentDuringLaunch
  Indicates that the specified person was the head of government of a given political entity at the time a particular project, mission, or initiative was launched.
• E. signatoryLeader chosen
  Indicates that a leader has formally signed or endorsed an agreement, treaty, or document on behalf of a group, organization, or state.
• F. None of above.