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: Minamoto no Sanetomo | Statement: [Minamoto no Yoritomo, child, Minamoto no Sanetomo]

Target entity: Minamoto no Sanetomo
Context triple: [Minamoto no Yoritomo, child, Minamoto no Sanetomo]

• A. Taira no Kiyomori
  Taira no Kiyomori was a powerful 12th-century Japanese warlord and head of the Taira clan who briefly established samurai dominance over the imperial court, setting the stage for the rise of military rule in Japan.
• B. Minamoto no Tameyoshi
  Minamoto no Tameyoshi was a late Heian-period samurai leader and head of the Minamoto clan, known for his role in early conflicts that foreshadowed the rise of samurai rule in Japan.
• C. Minamoto no Yoritomo
  Minamoto no Yoritomo was the founder and first shogun of Japan’s Kamakura shogunate, establishing the country’s first military government in the late 12th century.
• D. Taira no Munemori
  Taira no Munemori was a late Heian-period Japanese military leader and head of the Taira clan who commanded its forces during the Genpei War against the Minamoto.
• E. Minamoto no Yoriie
  Minamoto no Yoriie was the second shogun of Japan’s Kamakura shogunate and the eldest son and successor of its founder, Minamoto no Yoritomo.
• 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: Minamoto no Sanetomo
Triple: [Minamoto no Yoritomo, child, Minamoto no Sanetomo]

Minamoto no Sanetomo was the third shogun of Japan’s Kamakura shogunate, known for his role as a politically constrained military ruler and as a distinguished waka poet.

Target entity: Minamoto no Sanetomo
Target entity description: Minamoto no Sanetomo was the third shogun of Japan’s Kamakura shogunate, known for his role as a politically constrained military ruler and as a distinguished waka poet.

• A. Taira no Kiyomori
  Taira no Kiyomori was a powerful 12th-century Japanese warlord and head of the Taira clan who briefly established samurai dominance over the imperial court, setting the stage for the rise of military rule in Japan.
• B. Minamoto no Tameyoshi
  Minamoto no Tameyoshi was a late Heian-period samurai leader and head of the Minamoto clan, known for his role in early conflicts that foreshadowed the rise of samurai rule in Japan.
• C. Minamoto no Yoritomo
  Minamoto no Yoritomo was the founder and first shogun of Japan’s Kamakura shogunate, establishing the country’s first military government in the late 12th century.
• D. Taira no Munemori
  Taira no Munemori was a late Heian-period Japanese military leader and head of the Taira clan who commanded its forces during the Genpei War against the Minamoto.
• E. Minamoto no Yoriie
  Minamoto no Yoriie was the second shogun of Japan’s Kamakura shogunate and the eldest son and successor of its founder, Minamoto no Yoritomo.
• F. None of above. chosen