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: retired Emperor Sutoku | Statement: [Hōgen Rebellion, opponentOf, retired Emperor Sutoku]

Target entity: retired Emperor Sutoku
Context triple: [Hōgen Rebellion, opponentOf, retired Emperor Sutoku]

• A. Emperor Shirakawa
  Emperor Shirakawa was a Japanese sovereign of the late 11th and early 12th centuries who is renowned for pioneering the system of cloistered rule that shaped Heian-period politics.
• B. Emperor Go-Toba
  Emperor Go-Toba was a late 12th- to early 13th-century Japanese emperor known for his cultural patronage, especially of poetry, and for leading the failed Jōkyū War against the Kamakura shogunate.
• C. Emperor Kameyama
  Emperor Kameyama was a 13th-century Japanese emperor of the Kamakura period known for his religious devotion and patronage of Zen Buddhism.
• D. Emperor Daigo
  Emperor Daigo was a 10th-century Japanese sovereign whose relatively stable and culturally vibrant reign is often regarded as a high point of the Heian-period imperial court.
• E. Fujiwara no Michinaga
  Fujiwara no Michinaga was a powerful Japanese court noble who dominated Heian-period politics by controlling the imperial regency and marrying his daughters into the imperial family.
• 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: retired Emperor Sutoku
Triple: [Hōgen Rebellion, opponentOf, retired Emperor Sutoku]

Retired Emperor Sutoku was a 12th-century Japanese imperial figure whose political conflict with reigning authorities helped spark the Hōgen Rebellion and later inspired legends of him as a vengeful spirit.

Target entity: retired Emperor Sutoku
Target entity description: Retired Emperor Sutoku was a 12th-century Japanese imperial figure whose political conflict with reigning authorities helped spark the Hōgen Rebellion and later inspired legends of him as a vengeful spirit.

• A. Emperor Shirakawa
  Emperor Shirakawa was a Japanese sovereign of the late 11th and early 12th centuries who is renowned for pioneering the system of cloistered rule that shaped Heian-period politics.
• B. Emperor Go-Toba
  Emperor Go-Toba was a late 12th- to early 13th-century Japanese emperor known for his cultural patronage, especially of poetry, and for leading the failed Jōkyū War against the Kamakura shogunate.
• C. Emperor Kameyama
  Emperor Kameyama was a 13th-century Japanese emperor of the Kamakura period known for his religious devotion and patronage of Zen Buddhism.
• D. Emperor Daigo
  Emperor Daigo was a 10th-century Japanese sovereign whose relatively stable and culturally vibrant reign is often regarded as a high point of the Heian-period imperial court.
• E. Fujiwara no Michinaga
  Fujiwara no Michinaga was a powerful Japanese court noble who dominated Heian-period politics by controlling the imperial regency and marrying his daughters into the imperial family.
• F. None of above. chosen