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: Alexander Yakovlev | Statement: [Perestroika, keyAdvisor, Alexander Yakovlev]

Target entity: Alexander Yakovlev
Context triple: [Perestroika, keyAdvisor, Alexander Yakovlev]

• A. Vladimir Malofeyev
  Vladimir Malofeyev is a Belarusian political figure known for his role in the dissolution of the Soviet Union through participation in the Belavezha Accords.
• B. Nikolai Tikhonov
  Nikolai Tikhonov was a Soviet statesman and economist who served as Premier of the Soviet Union during the early 1980s under Leonid Brezhnev and his successors.
• C. Mikhail Alekseyev
  Mikhail Alekseyev was a Russian Imperial Army general and one of the principal organizers of the anti-Bolshevik White movement during the Russian Civil War.
• D. Alexander Antonov
  Alexander Antonov was a Russian Socialist Revolutionary and guerrilla leader best known for organizing and leading the anti-Bolshevik Tambov Rebellion during the Russian Civil War.
• E. Boris Shaposhnikov
  Boris Shaposhnikov was a prominent Soviet military commander and theorist who served as Chief of the General Staff of the Red Army and played a key role in developing Soviet military doctrine before and during World War II.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Alexander Yakovlev
Triple: [Perestroika, keyAdvisor, Alexander Yakovlev]

Alexander Yakovlev was a senior Soviet reformist politician and close ally of Mikhail Gorbachev, widely regarded as the intellectual architect of glasnost and perestroika.

Target entity: Alexander Yakovlev
Target entity description: Alexander Yakovlev was a senior Soviet reformist politician and close ally of Mikhail Gorbachev, widely regarded as the intellectual architect of glasnost and perestroika.

• A. Vladimir Malofeyev
  Vladimir Malofeyev is a Belarusian political figure known for his role in the dissolution of the Soviet Union through participation in the Belavezha Accords.
• B. Nikolai Tikhonov
  Nikolai Tikhonov was a Soviet statesman and economist who served as Premier of the Soviet Union during the early 1980s under Leonid Brezhnev and his successors.
• C. Mikhail Alekseyev
  Mikhail Alekseyev was a Russian Imperial Army general and one of the principal organizers of the anti-Bolshevik White movement during the Russian Civil War.
• D. Alexander Antonov
  Alexander Antonov was a Russian Socialist Revolutionary and guerrilla leader best known for organizing and leading the anti-Bolshevik Tambov Rebellion during the Russian Civil War.
• E. Boris Shaposhnikov
  Boris Shaposhnikov was a prominent Soviet military commander and theorist who served as Chief of the General Staff of the Red Army and played a key role in developing Soviet military doctrine before and during World War II.
• F. None of above. chosen