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: Ansei Purge | Statement: [Ii Naosuke, event, Ansei Purge]

Target entity: Ansei Purge
Context triple: [Ii Naosuke, event, Ansei Purge]

• A. Ansei Purge chosen
  The Ansei Purge was a series of political crackdowns in late Edo-period Japan during which the Tokugawa shogunate suppressed and punished opponents of its foreign and domestic policies, significantly reshaping the country’s political landscape before the Meiji Restoration.
• B. Isshi Incident
  The Isshi Incident was a 645 CE coup d'état in Japan in which Prince Naka no Ōe and his allies assassinated the powerful statesman Soga no Iruka, leading to the downfall of the Soga clan and paving the way for major political reforms.
• C. Akō incident
  The Akō incident was an early 18th-century samurai vendetta in Japan, in which the forty-seven rōnin avenged their lord’s forced seppuku, later becoming a legendary example of loyalty and bushidō.
• D. Rashō Gate
  Rashō Gate is the English meaning of the Japanese title "Rashōmon," referring to the grand, decaying city gate famously depicted in Japanese literature and film.
• E. Sakurada Gate Incident
  The Sakurada Gate Incident was an 1860 assassination of Japanese chief minister Ii Naosuke outside Edo Castle, a pivotal event that intensified political turmoil in the late Tokugawa shogunate.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.