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: Nominalia of the Bulgarian Khans | Statement: [Dulo, source, Nominalia of the Bulgarian Khans]

Target entity: Nominalia of the Bulgarian Khans
Context triple: [Dulo, source, Nominalia of the Bulgarian Khans]

• A. His Majesty the Tsar of the Bulgarians
  His Majesty the Tsar of the Bulgarians was the formal sovereign title borne by Bulgaria’s monarchs during the period of the modern Bulgarian kingdom.
• B. Bulgarians of Olden Time
  "Bulgarians of Olden Time" is a classic 19th-century Bulgarian literary work by Lyuben Karavelov that vividly portrays traditional Bulgarian life, character, and customs under Ottoman rule.
• C. Christianization of the Cumans
  The Christianization of the Cumans was the medieval process by which the nomadic Cuman people of the Eurasian steppe were converted to Christianity through missionary activity and political alliances with neighboring Christian kingdoms.
• D. Istoriya Slavyanobolgarskaya
  Istoriya Slavyanobolgarskaya is an 18th-century historical and patriotic work that helped spark the Bulgarian National Revival by recounting the history and glory of the Bulgarian people.
• E. The Secret History of the Mongols
  The Secret History of the Mongols is a 13th-century chronicle that provides the earliest and most detailed native account of Genghis Khan, his descendants, and the rise of the Mongol Empire.
• 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: Nominalia of the Bulgarian Khans
Triple: [Dulo, source, Nominalia of the Bulgarian Khans]

The Nominalia of the Bulgarian Khans is a medieval Bulgarian chronicle listing early rulers, their dynastic affiliations, and regnal years, and is one of the key sources for the early history of the First Bulgarian Empire.

Target entity: Nominalia of the Bulgarian Khans
Target entity description: The Nominalia of the Bulgarian Khans is a medieval Bulgarian chronicle listing early rulers, their dynastic affiliations, and regnal years, and is one of the key sources for the early history of the First Bulgarian Empire.

• A. His Majesty the Tsar of the Bulgarians
  His Majesty the Tsar of the Bulgarians was the formal sovereign title borne by Bulgaria’s monarchs during the period of the modern Bulgarian kingdom.
• B. Bulgarians of Olden Time
  "Bulgarians of Olden Time" is a classic 19th-century Bulgarian literary work by Lyuben Karavelov that vividly portrays traditional Bulgarian life, character, and customs under Ottoman rule.
• C. Christianization of the Cumans
  The Christianization of the Cumans was the medieval process by which the nomadic Cuman people of the Eurasian steppe were converted to Christianity through missionary activity and political alliances with neighboring Christian kingdoms.
• D. Istoriya Slavyanobolgarskaya
  Istoriya Slavyanobolgarskaya is an 18th-century historical and patriotic work that helped spark the Bulgarian National Revival by recounting the history and glory of the Bulgarian people.
• E. The Secret History of the Mongols
  The Secret History of the Mongols is a 13th-century chronicle that provides the earliest and most detailed native account of Genghis Khan, his descendants, and the rise of the Mongol Empire.
• F. None of above. chosen