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: Saimyōji Tokimasa | Statement: [Hōjō Tokimasa, laterName, Saimyōji Tokimasa]

Target entity: Saimyōji Tokimasa
Context triple: [Hōjō Tokimasa, laterName, Saimyōji Tokimasa]

• A. Wakamiya Ōji
  Wakamiya Ōji is the main ceremonial avenue of Kamakura, Japan, leading from the waterfront through the city to Tsurugaoka Hachimangū Shrine.
• B. Yamana Sōzen
  Yamana Sōzen was a powerful 15th-century Japanese daimyō whose rivalry with Hosokawa Katsumoto helped trigger and define the Ōnin War, marking the beginning of the Sengoku period.
• C. Sanjō Sanetomi
  Sanjō Sanetomi was a prominent Japanese court noble and statesman of the late Edo and early Meiji periods who played a key role in the Meiji Restoration and early modern government.
• D. Nijō Tadako
  Nijō Tadako was a Japanese noblewoman of the Nijō family who became an imperial consort as the wife of Emperor Kōmei in the late Edo period.
• E. Yamauchi Kazutoyo
  Yamauchi Kazutoyo was a prominent late-Sengoku to early Edo period samurai lord who rose under Toyotomi Hideyoshi and Tokugawa Ieyasu to become a powerful daimyo in Shikoku.
• 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: Saimyōji Tokimasa
Triple: [Hōjō Tokimasa, laterName, Saimyōji Tokimasa]

Saimyōji Tokimasa, better known as Hōjō Tokimasa, was a key early Kamakura-period political leader who became the first shikken (regent) of the Kamakura shogunate and de facto ruler of Japan.

Target entity: Saimyōji Tokimasa
Target entity description: Saimyōji Tokimasa, better known as Hōjō Tokimasa, was a key early Kamakura-period political leader who became the first shikken (regent) of the Kamakura shogunate and de facto ruler of Japan.

• A. Wakamiya Ōji
  Wakamiya Ōji is the main ceremonial avenue of Kamakura, Japan, leading from the waterfront through the city to Tsurugaoka Hachimangū Shrine.
• B. Yamana Sōzen
  Yamana Sōzen was a powerful 15th-century Japanese daimyō whose rivalry with Hosokawa Katsumoto helped trigger and define the Ōnin War, marking the beginning of the Sengoku period.
• C. Sanjō Sanetomi
  Sanjō Sanetomi was a prominent Japanese court noble and statesman of the late Edo and early Meiji periods who played a key role in the Meiji Restoration and early modern government.
• D. Nijō Tadako
  Nijō Tadako was a Japanese noblewoman of the Nijō family who became an imperial consort as the wife of Emperor Kōmei in the late Edo period.
• E. Yamauchi Kazutoyo
  Yamauchi Kazutoyo was a prominent late-Sengoku to early Edo period samurai lord who rose under Toyotomi Hideyoshi and Tokugawa Ieyasu to become a powerful daimyo in Shikoku.
• F. None of above. chosen