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: Marina Litvinenko | Statement: [Alexander Litvinenko, spouse, Marina Litvinenko]

Target entity: Marina Litvinenko
Context triple: [Alexander Litvinenko, spouse, Marina Litvinenko]

• A. 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.
• B. Yekaterina Nosenko
  Yekaterina Nosenko was the first wife of renowned Russian composer Igor Stravinsky, with whom he had four children.
• C. Zhanna Nemtsova
  Zhanna Nemtsova is a Russian journalist, activist, and daughter of slain opposition leader Boris Nemtsov, known for her work promoting democracy and human rights.
• D. Anna Politkovskaya
  Anna Politkovskaya was a Russian investigative journalist and human rights activist renowned for her courageous reporting on the Chechen wars and criticism of the Putin government, for which she was ultimately assassinated.
• E. Politkovskaya
  Politkovskaya is a Russian surname most widely associated with Anna Politkovskaya, the prominent journalist and human rights activist known for her reporting on the Chechen conflict and criticism of the Russian government.
• 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: Marina Litvinenko
Triple: [Alexander Litvinenko, spouse, Marina Litvinenko]

Marina Litvinenko is a Russian-British activist and campaigner best known for seeking justice and accountability for the 2006 polonium-210 poisoning of her husband, former FSB officer Alexander Litvinenko, in London.

Target entity: Marina Litvinenko
Target entity description: Marina Litvinenko is a Russian-British activist and campaigner best known for seeking justice and accountability for the 2006 polonium-210 poisoning of her husband, former FSB officer Alexander Litvinenko, in London.

• A. 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.
• B. Yekaterina Nosenko
  Yekaterina Nosenko was the first wife of renowned Russian composer Igor Stravinsky, with whom he had four children.
• C. Zhanna Nemtsova
  Zhanna Nemtsova is a Russian journalist, activist, and daughter of slain opposition leader Boris Nemtsov, known for her work promoting democracy and human rights.
• D. Anna Politkovskaya
  Anna Politkovskaya was a Russian investigative journalist and human rights activist renowned for her courageous reporting on the Chechen wars and criticism of the Putin government, for which she was ultimately assassinated.
• E. Politkovskaya
  Politkovskaya is a Russian surname most widely associated with Anna Politkovskaya, the prominent journalist and human rights activist known for her reporting on the Chechen conflict and criticism of the Russian government.
• F. None of above. chosen