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: Ejei Khan | Statement: [Northern Yuan dynasty, lastMonarch, Ejei Khan]

Target entity: Ejei Khan
Context triple: [Northern Yuan dynasty, lastMonarch, Ejei Khan]

• A. Kebek Khan
  Kebek Khan was a 14th-century ruler of the Chagatai Khanate known for administrative reforms, monetary standardization, and efforts to stabilize and centralize his Central Asian realm.
• B. Hülegü Khan
  Hülegü Khan was a 13th-century Mongol ruler and grandson of Genghis Khan who founded the Ilkhanate in Persia and led the conquest of Baghdad, ending the Abbasid Caliphate.
• C. Buyantu Khan
  Buyantu Khan was an early 14th-century emperor of the Yuan dynasty in China, known for his support of Confucianism, administrative reforms, and promotion of Chinese culture within the Mongol-ruled empire.
• D. Batu Khan
  Batu Khan was a 13th-century Mongol ruler and military commander who founded the Golden Horde and led the Mongol invasions of Eastern Europe.
• E. Mangu Khan
  Mangu Khan, more commonly known as Möngke Khan, was the fourth Great Khan of the Mongol Empire and a grandson of Genghis Khan who significantly expanded and consolidated Mongol rule in the mid-13th century.
• 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: Ejei Khan
Triple: [Northern Yuan dynasty, lastMonarch, Ejei Khan]

Ejei Khan was the final khan of the Northern Yuan dynasty, whose surrender to the Qing marked the end of Mongol imperial rule in Mongolia.

Target entity: Ejei Khan
Target entity description: Ejei Khan was the final khan of the Northern Yuan dynasty, whose surrender to the Qing marked the end of Mongol imperial rule in Mongolia.

• A. Kebek Khan
  Kebek Khan was a 14th-century ruler of the Chagatai Khanate known for administrative reforms, monetary standardization, and efforts to stabilize and centralize his Central Asian realm.
• B. Hülegü Khan
  Hülegü Khan was a 13th-century Mongol ruler and grandson of Genghis Khan who founded the Ilkhanate in Persia and led the conquest of Baghdad, ending the Abbasid Caliphate.
• C. Buyantu Khan
  Buyantu Khan was an early 14th-century emperor of the Yuan dynasty in China, known for his support of Confucianism, administrative reforms, and promotion of Chinese culture within the Mongol-ruled empire.
• D. Batu Khan
  Batu Khan was a 13th-century Mongol ruler and military commander who founded the Golden Horde and led the Mongol invasions of Eastern Europe.
• E. Mangu Khan
  Mangu Khan, more commonly known as Möngke Khan, was the fourth Great Khan of the Mongol Empire and a grandson of Genghis Khan who significantly expanded and consolidated Mongol rule in the mid-13th century.
• F. None of above. chosen