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 Litvinenko | Statement: [Highgate Cemetery, hasNotableBurial, Alexander Litvinenko]

Target entity: Alexander Litvinenko
Context triple: [Highgate Cemetery, hasNotableBurial, Alexander Litvinenko]

• A. Boris Nemtsov
  Boris Nemtsov was a prominent Russian liberal politician and opposition leader, known for his criticism of Vladimir Putin and advocacy for democratic reforms.
• B. Grigori Rasputin
  Grigori Rasputin was a Russian mystic and self-proclaimed holy man who became a powerful and controversial influence at the court of the last Tsar, particularly over Empress Alexandra and her family.
• C. Alexei Navalny
  Alexei Navalny was a prominent Russian opposition leader and anti-corruption activist known for organizing mass protests and openly challenging Vladimir Putin’s rule.
• D. Sergei Kirov
  Sergei Kirov was a prominent early Bolshevik leader and close ally of Joseph Stalin, whose 1934 assassination in Leningrad became a key pretext for the Great Purge in the Soviet Union.
• E. Alexander Novikov
  Alexander Novikov was a prominent Soviet Air Force marshal and military commander who played a key role in organizing and leading Soviet air operations 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 Litvinenko
Triple: [Highgate Cemetery, hasNotableBurial, Alexander Litvinenko]

Alexander Litvinenko was a former Russian FSB officer and prominent critic of Vladimir Putin who died in London in 2006 after being poisoned with radioactive polonium-210, in a case that drew worldwide attention.

Target entity: Alexander Litvinenko
Target entity description: Alexander Litvinenko was a former Russian FSB officer and prominent critic of Vladimir Putin who died in London in 2006 after being poisoned with radioactive polonium-210, in a case that drew worldwide attention.

• A. Boris Nemtsov
  Boris Nemtsov was a prominent Russian liberal politician and opposition leader, known for his criticism of Vladimir Putin and advocacy for democratic reforms.
• B. Grigori Rasputin
  Grigori Rasputin was a Russian mystic and self-proclaimed holy man who became a powerful and controversial influence at the court of the last Tsar, particularly over Empress Alexandra and her family.
• C. Alexei Navalny
  Alexei Navalny was a prominent Russian opposition leader and anti-corruption activist known for organizing mass protests and openly challenging Vladimir Putin’s rule.
• D. Sergei Kirov
  Sergei Kirov was a prominent early Bolshevik leader and close ally of Joseph Stalin, whose 1934 assassination in Leningrad became a key pretext for the Great Purge in the Soviet Union.
• E. Alexander Novikov
  Alexander Novikov was a prominent Soviet Air Force marshal and military commander who played a key role in organizing and leading Soviet air operations during World War II.
• F. None of above. chosen