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: Keikō Tennō | Statement: [Yamato Takeru, father, Keikō Tennō]

Target entity: Keikō Tennō
Context triple: [Yamato Takeru, father, Keikō Tennō]

• A. Daijō Tennō
  Daijō Tennō was the honorary title given to a retired Japanese emperor who continued to wield significant political and cultural influence from behind the throne.
• B. Tennō
  Tennō is the Japanese term for the Emperor of Japan, regarded as the ceremonial and symbolic monarch and, in tradition, a descendant of the sun goddess Amaterasu.
• C. Suizei Tennō
  Suizei Tennō is traditionally regarded as the second legendary emperor of Japan, said to have reigned in the early mytho-historical period following Emperor Jimmu.
• D. Genshō-tennō
  Genshō-tennō was an 8th-century Japanese empress who ruled during the Nara period and is notable as one of the few women to ascend the Chrysanthemum Throne.
• E. Go-Sanjō-tennō
  Go-Sanjō-tennō was an 11th-century Japanese emperor of the Heian period known for efforts to reassert imperial authority and reform court administration.
• 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: Keikō Tennō
Triple: [Yamato Takeru, father, Keikō Tennō]

Keikō Tennō is a semi-legendary early emperor of Japan, traditionally regarded as one of the ancient sovereigns recorded in the Kojiki and Nihon Shoki chronicles.

Target entity: Keikō Tennō
Target entity description: Keikō Tennō is a semi-legendary early emperor of Japan, traditionally regarded as one of the ancient sovereigns recorded in the Kojiki and Nihon Shoki chronicles.

• A. Daijō Tennō
  Daijō Tennō was the honorary title given to a retired Japanese emperor who continued to wield significant political and cultural influence from behind the throne.
• B. Tennō
  Tennō is the Japanese term for the Emperor of Japan, regarded as the ceremonial and symbolic monarch and, in tradition, a descendant of the sun goddess Amaterasu.
• C. Suizei Tennō
  Suizei Tennō is traditionally regarded as the second legendary emperor of Japan, said to have reigned in the early mytho-historical period following Emperor Jimmu.
• D. Genshō-tennō
  Genshō-tennō was an 8th-century Japanese empress who ruled during the Nara period and is notable as one of the few women to ascend the Chrysanthemum Throne.
• E. Go-Sanjō-tennō
  Go-Sanjō-tennō was an 11th-century Japanese emperor of the Heian period known for efforts to reassert imperial authority and reform court administration.
• F. None of above. chosen