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: [Vice President of the Soviet Union, establishedUnderLeader, Mikhail Gorbachev]

Target entity: Mikhail Gorbachev
Context triple: [Vice President of the Soviet Union, establishedUnderLeader, 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. Boris Yeltsin
  Boris Yeltsin was the first President of the Russian Federation, known for his pivotal role in opposing the August 1991 Soviet coup attempt and overseeing Russia’s transition from Soviet rule.
• C. Yuri Brezhnev
  Yuri Brezhnev is the son of former Soviet leader Leonid Brezhnev, known primarily for his familial connection to the longtime General Secretary of the Communist Party of the Soviet Union.
• D. Vladimir Chernenko
  Vladimir Chernenko is known primarily as the son of former Soviet leader Konstantin Chernenko.
• E. 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.”
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: establishedUnderLeader
Context triple: [Vice President of the Soviet Union, establishedUnderLeader, Mikhail Gorbachev]

• A. servedUnderLeader
  Indicates that one entity held a position or role subordinate to, and operating under the authority or command of, another specified leader.
• B. laterLeader
  Indicates that one entity serves as a leader or holds a leadership role at a later time than another specified leader.
• C. namedByLeader
  Indicates that an entity has been given its name by a specific leader or person in authority.
• D. supportedLeader
  Indicates that one entity actively backed, endorsed, or provided assistance to a particular leader.
• E. implementedUnderLeader
  Indicates that an action, project, or policy was carried out under the authority, direction, or tenure of a specific leader.
• F. None of above. chosen