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 Vasilyevich Alexandrov | Statement: [Alexander Alexandrov, name, Alexander Vasilyevich Alexandrov]

Target entity: Alexander Vasilyevich Alexandrov
Context triple: [Alexander Alexandrov, name, Alexander Vasilyevich Alexandrov]

• A. Yevgeny Svetlanov
  Yevgeny Svetlanov was a renowned Russian conductor, composer, and pianist, celebrated especially for his interpretations and recordings of Russian orchestral music.
• B. Aleksandr Danilovich Aleksandrov
  Aleksandr Danilovich Aleksandrov was a prominent Soviet mathematician and geometer known for his foundational work in convex and differential geometry and for mentoring influential figures such as Grigori Perelman.
• C. Boris Levitan
  Boris Levitan was a prominent Soviet-American mathematician known for his influential work in functional analysis, differential equations, and spectral theory.
• D. Viktor Mayevsky
  Viktor Mayevsky was a Soviet diplomat who served as an ambassador representing the interests of the USSR abroad.
• E. Aleksei Kruchyonykh
  Aleksei Kruchyonykh was a Russian Futurist poet and theorist best known for pioneering zaum (transrational) language and radically experimental visual and sound poetry.
• 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 Vasilyevich Alexandrov
Triple: [Alexander Alexandrov, name, Alexander Vasilyevich Alexandrov]

Alexander Vasilyevich Alexandrov was a Soviet composer and choirmaster best known as the founder of the Alexandrov Ensemble (Red Army Choir) and the composer of the music for the National Anthem of the Soviet Union, later adapted as the anthem of Russia.

Target entity: Alexander Vasilyevich Alexandrov
Target entity description: Alexander Vasilyevich Alexandrov was a Soviet composer and choirmaster best known as the founder of the Alexandrov Ensemble (Red Army Choir) and the composer of the music for the National Anthem of the Soviet Union, later adapted as the anthem of Russia.

• A. Yevgeny Svetlanov
  Yevgeny Svetlanov was a renowned Russian conductor, composer, and pianist, celebrated especially for his interpretations and recordings of Russian orchestral music.
• B. Aleksandr Danilovich Aleksandrov
  Aleksandr Danilovich Aleksandrov was a prominent Soviet mathematician and geometer known for his foundational work in convex and differential geometry and for mentoring influential figures such as Grigori Perelman.
• C. Boris Levitan
  Boris Levitan was a prominent Soviet-American mathematician known for his influential work in functional analysis, differential equations, and spectral theory.
• D. Viktor Mayevsky
  Viktor Mayevsky was a Soviet diplomat who served as an ambassador representing the interests of the USSR abroad.
• E. Aleksei Kruchyonykh
  Aleksei Kruchyonykh was a Russian Futurist poet and theorist best known for pioneering zaum (transrational) language and radically experimental visual and sound poetry.
• F. None of above. chosen