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: Kanmu-tennō | Statement: [Kanmu, posthumousName, Kanmu-tennō]

Target entity: Kanmu-tennō
Context triple: [Kanmu, posthumousName, Kanmu-tennō]

• A. Kameyama-tennō
  Kameyama-tennō was a 13th-century Japanese emperor of the Kamakura period known for his later influence as a cloistered ruler and his involvement in religious and political affairs.
• B. Go-Yōzei Tennō
  Go-Yōzei Tennō was a Japanese emperor of the late 16th and early 17th centuries whose reign overlapped with the unification of Japan under Toyotomi Hideyoshi and the establishment of the Tokugawa shogunate.
• C. Genmei-tennō
  Genmei-tennō was the 43rd monarch of Japan, a Nara-period empress known for establishing Heijō-kyō (Nara) as the imperial capital.
• D. Ōjin-tennō
  Ōjin-tennō is a semi-legendary early Japanese emperor traditionally regarded as the 15th ruler of Japan and later venerated as the god of war, Hachiman.
• E. Toba-tennō
  Toba-tennō was a 12th-century Japanese emperor of the late Heian period whose cloistered rule significantly influenced court politics and the imperial succession.
• 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: Kanmu-tennō
Triple: [Kanmu, posthumousName, Kanmu-tennō]

Kanmu-tennō was the 50th emperor of Japan, known for relocating the capital to Heian-kyō (Kyoto) and initiating the Heian period.

Target entity: Kanmu-tennō
Target entity description: Kanmu-tennō was the 50th emperor of Japan, known for relocating the capital to Heian-kyō (Kyoto) and initiating the Heian period.

• A. Kameyama-tennō
  Kameyama-tennō was a 13th-century Japanese emperor of the Kamakura period known for his later influence as a cloistered ruler and his involvement in religious and political affairs.
• B. Go-Yōzei Tennō
  Go-Yōzei Tennō was a Japanese emperor of the late 16th and early 17th centuries whose reign overlapped with the unification of Japan under Toyotomi Hideyoshi and the establishment of the Tokugawa shogunate.
• C. Genmei-tennō
  Genmei-tennō was the 43rd monarch of Japan, a Nara-period empress known for establishing Heijō-kyō (Nara) as the imperial capital.
• D. Ōjin-tennō
  Ōjin-tennō is a semi-legendary early Japanese emperor traditionally regarded as the 15th ruler of Japan and later venerated as the god of war, Hachiman.
• E. Toba-tennō
  Toba-tennō was a 12th-century Japanese emperor of the late Heian period whose cloistered rule significantly influenced court politics and the imperial succession.
• F. None of above. chosen