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: 徳川家定 | Statement: [孝明天皇, 在位中の将軍, 徳川家定]

Target entity: 徳川家定
Context triple: [孝明天皇, 在位中の将軍, 徳川家定]

• A. 徳川家慶
  徳川家慶は、江戸時代後期に幕政を担い、内憂外患が高まる中で幕府の権威低下が進んだ時期の江戸幕府第12代将軍である。
• B. Tokugawa Iemochi
  Tokugawa Iemochi was the 14th shogun of the Tokugawa shogunate, whose short and turbulent rule coincided with the final years of Japan’s isolation and the growing crisis that led to the Meiji Restoration.
• C. Prince Iyesato Tokugawa
  Prince Iyesato Tokugawa was a prominent Japanese statesman and internationalist leader of the early 20th century who played a key diplomatic role in fostering U.S.–Japan relations and supporting naval disarmament efforts.
• D. Tokugawa Ienari
  Tokugawa Ienari was the eleventh shogun of Japan’s Tokugawa shogunate, known for his exceptionally long rule from 1787 to 1837 and the lavish, often corrupt, court culture that characterized his tenure.
• E. Tokugawa Yoshinobu
  Tokugawa Yoshinobu was the final shogun of Japan who oversaw the end of the Tokugawa regime and the transition to the Meiji Restoration.
• 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: 徳川家定
Triple: [孝明天皇, 在位中の将軍, 徳川家定]

徳川家定は、江戸時代末期に江戸幕府第13代将軍として在職し、開国をめぐる内外の混乱期に政権を担った人物である。

Target entity: 徳川家定
Target entity description: 徳川家定は、江戸時代末期に江戸幕府第13代将軍として在職し、開国をめぐる内外の混乱期に政権を担った人物である。

• A. 徳川家慶
  徳川家慶は、江戸時代後期に幕政を担い、内憂外患が高まる中で幕府の権威低下が進んだ時期の江戸幕府第12代将軍である。
• B. Tokugawa Iemochi
  Tokugawa Iemochi was the 14th shogun of the Tokugawa shogunate, whose short and turbulent rule coincided with the final years of Japan’s isolation and the growing crisis that led to the Meiji Restoration.
• C. Prince Iyesato Tokugawa
  Prince Iyesato Tokugawa was a prominent Japanese statesman and internationalist leader of the early 20th century who played a key diplomatic role in fostering U.S.–Japan relations and supporting naval disarmament efforts.
• D. Tokugawa Ienari
  Tokugawa Ienari was the eleventh shogun of Japan’s Tokugawa shogunate, known for his exceptionally long rule from 1787 to 1837 and the lavish, often corrupt, court culture that characterized his tenure.
• E. Tokugawa Yoshinobu
  Tokugawa Yoshinobu was the final shogun of Japan who oversaw the end of the Tokugawa regime and the transition to the Meiji Restoration.
• F. None of above. chosen