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: Yevno Azef | Statement: [Okhrana, notableAgent, Yevno Azef]

Target entity: Yevno Azef
Context triple: [Okhrana, notableAgent, Yevno Azef]

• A. Ivan Khovansky
  Ivan Khovansky was a Russian nobleman and military leader of the 17th century who played a key role in the early development and administration of frontier regions of the Russian Empire.
• B. Nikolai Yezhov
  Nikolai Yezhov was a high-ranking Soviet secret police chief who oversaw the most brutal phase of Stalin’s Great Purge before himself falling victim to the terror.
• C. Yuri of Uglich
  Yuri of Uglich was a Russian prince of the early 16th century, known as a younger son of Grand Prince Vasili III and a member of the ruling Rurikid dynasty.
• D. Yefim Rasputin
  Yefim Rasputin was a Siberian peasant farmer and coachman known primarily as the father of the Russian mystic Grigori Rasputin.
• E. Yakov Slashchov
  Yakov Slashchov was a Russian Imperial and later White Army general best known for leading anti-Bolshevik forces in southern Russia and Crimea during the Russian Civil War.
• 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: Yevno Azef
Triple: [Okhrana, notableAgent, Yevno Azef]

Yevno Azef was a notorious early 20th-century Russian double agent who simultaneously led the Socialist Revolutionary Party’s terrorist wing and informed for the Tsarist secret police.

Target entity: Yevno Azef
Target entity description: Yevno Azef was a notorious early 20th-century Russian double agent who simultaneously led the Socialist Revolutionary Party’s terrorist wing and informed for the Tsarist secret police.

• A. Ivan Khovansky
  Ivan Khovansky was a Russian nobleman and military leader of the 17th century who played a key role in the early development and administration of frontier regions of the Russian Empire.
• B. Nikolai Yezhov
  Nikolai Yezhov was a high-ranking Soviet secret police chief who oversaw the most brutal phase of Stalin’s Great Purge before himself falling victim to the terror.
• C. Yuri of Uglich
  Yuri of Uglich was a Russian prince of the early 16th century, known as a younger son of Grand Prince Vasili III and a member of the ruling Rurikid dynasty.
• D. Yefim Rasputin
  Yefim Rasputin was a Siberian peasant farmer and coachman known primarily as the father of the Russian mystic Grigori Rasputin.
• E. Yakov Slashchov
  Yakov Slashchov was a Russian Imperial and later White Army general best known for leading anti-Bolshevik forces in southern Russia and Crimea during the Russian Civil War.
• F. None of above. chosen