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: Mikhail Gorbachev | Statement: [Soviet Union, lastLeader, Mikhail Gorbachev]

Target entity: Mikhail Gorbachev
Context triple: [Soviet Union, lastLeader, Mikhail Gorbachev]

• A. Mikhail Gorbachev chosen
  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.
• B. Leonid Brezhnev
  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.”
• C. 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.
• D. Vladimir Putin
  Vladimir Putin is the long-serving Russian leader and former KGB officer who has played a central and often controversial role in post-Soviet Russian politics and global affairs.
• E. Joseph Stalin
  Joseph Stalin was the authoritarian leader of the Soviet Union from the mid-1920s until his death in 1953, overseeing rapid industrialization, World War II victory, and brutal political repression.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: lastLeader
Context triple: [Soviet Union, lastLeader, Mikhail Gorbachev]

• A. hasLeader chosen
  Indicates that one entity serves as the leader or head of another entity.
• B. electedCandidate
  Indicates that a particular person has been chosen as the winner in an election for a given position or office.
• C. appointedBy
  Indicates that one entity has been formally selected or assigned to a position, role, or office by another entity.
• D. firstInOfficeTo
  Indicates that one entity was the earliest or first to hold a particular office or position in relation to another entity or context.
• E. successor
  Indicates that one entity directly follows another in an ordered sequence or position.
• F. None of above.