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: King U of Goryeo | Statement: [Emperor Gongmin, successor, King U of Goryeo]

Target entity: King U of Goryeo
Context triple: [Emperor Gongmin, successor, King U of Goryeo]

• A. King Chungjeong of Goryeo
  King Chungjeong of Goryeo was a late 13th-century Korean monarch of the Goryeo dynasty whose short, turbulent reign occurred under strong Mongol Yuan influence.
• B. King of Goryeo
  The King of Goryeo was the hereditary monarch of the Goryeo dynasty, which ruled the Korean Peninsula from the 10th to the 14th century and oversaw significant developments in Korean culture, law, and Buddhism.
• C. King Chungmok of Goryeo
  King Chungmok of Goryeo was a 14th-century Korean monarch of the Goryeo dynasty who ruled briefly as a child king under strong Yuan influence.
• D. Taejo of Goryeo
  Taejo of Goryeo was the first king of the Goryeo dynasty in Korea, who unified the Later Three Kingdoms and established the foundation of a new Korean state in the 10th century.
• E. King Jinheung
  King Jinheung was a powerful 6th-century monarch of the Korean kingdom of Silla who greatly expanded its territory and laid foundations for the later unification of the Korean Peninsula.
• 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: King U of Goryeo
Triple: [Emperor Gongmin, successor, King U of Goryeo]

King U of Goryeo was a late 14th-century monarch of Korea’s Goryeo dynasty whose troubled reign was marked by political turmoil and the rising dominance of General Yi Seong-gye, founder of the subsequent Joseon dynasty.

Target entity: King U of Goryeo
Target entity description: King U of Goryeo was a late 14th-century monarch of Korea’s Goryeo dynasty whose troubled reign was marked by political turmoil and the rising dominance of General Yi Seong-gye, founder of the subsequent Joseon dynasty.

• A. King Chungjeong of Goryeo
  King Chungjeong of Goryeo was a late 13th-century Korean monarch of the Goryeo dynasty whose short, turbulent reign occurred under strong Mongol Yuan influence.
• B. King of Goryeo
  The King of Goryeo was the hereditary monarch of the Goryeo dynasty, which ruled the Korean Peninsula from the 10th to the 14th century and oversaw significant developments in Korean culture, law, and Buddhism.
• C. King Chungmok of Goryeo
  King Chungmok of Goryeo was a 14th-century Korean monarch of the Goryeo dynasty who ruled briefly as a child king under strong Yuan influence.
• D. Taejo of Goryeo
  Taejo of Goryeo was the first king of the Goryeo dynasty in Korea, who unified the Later Three Kingdoms and established the foundation of a new Korean state in the 10th century.
• E. King Jinheung
  King Jinheung was a powerful 6th-century monarch of the Korean kingdom of Silla who greatly expanded its territory and laid foundations for the later unification of the Korean Peninsula.
• F. None of above. chosen