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: Khan Asparuh of Bulgaria | Statement: [Byzantine–Bulgarian wars, involvedRuler, Khan Asparuh of Bulgaria]

Target entity: Khan Asparuh of Bulgaria
Context triple: [Byzantine–Bulgarian wars, involvedRuler, Khan Asparuh of Bulgaria]

• A. Kaloyan of Bulgaria
  Kaloyan of Bulgaria was a powerful tsar of the Second Bulgarian Empire (r. 1197–1207) known for defeating the Crusaders at the Battle of Adrianople and expanding Bulgarian influence in the Balkans.
• B. Khan Krum
  Khan Krum was a powerful early 9th-century Bulgarian ruler known for expanding the First Bulgarian Empire and defeating the Byzantine Empire in major battles.
• C. Boris I of Bulgaria
  Boris I of Bulgaria was the 9th-century Bulgarian monarch best known for converting his realm to Christianity and laying the foundations of Slavic literacy and culture.
• D. Simeon I of Bulgaria
  Simeon I of Bulgaria was a powerful medieval Bulgarian tsar whose reign (893–927) marked the political and cultural zenith of the First Bulgarian Empire and earned him the epithet "the Great."
• E. Bulgarian Tsar Constantine Tikh Asen
  Bulgarian Tsar Constantine Tikh Asen was a 13th-century ruler of the Second Bulgarian Empire, known for his turbulent reign marked by internal strife and conflicts with neighboring powers.
• 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: Khan Asparuh of Bulgaria
Triple: [Byzantine–Bulgarian wars, involvedRuler, Khan Asparuh of Bulgaria]

Khan Asparuh of Bulgaria was the 7th-century Bulgar ruler who founded the First Bulgarian Empire in the Balkans and is regarded as the founder of the Bulgarian state.

Target entity: Khan Asparuh of Bulgaria
Target entity description: Khan Asparuh of Bulgaria was the 7th-century Bulgar ruler who founded the First Bulgarian Empire in the Balkans and is regarded as the founder of the Bulgarian state.

• A. Kaloyan of Bulgaria
  Kaloyan of Bulgaria was a powerful tsar of the Second Bulgarian Empire (r. 1197–1207) known for defeating the Crusaders at the Battle of Adrianople and expanding Bulgarian influence in the Balkans.
• B. Khan Krum
  Khan Krum was a powerful early 9th-century Bulgarian ruler known for expanding the First Bulgarian Empire and defeating the Byzantine Empire in major battles.
• C. Boris I of Bulgaria
  Boris I of Bulgaria was the 9th-century Bulgarian monarch best known for converting his realm to Christianity and laying the foundations of Slavic literacy and culture.
• D. Simeon I of Bulgaria
  Simeon I of Bulgaria was a powerful medieval Bulgarian tsar whose reign (893–927) marked the political and cultural zenith of the First Bulgarian Empire and earned him the epithet "the Great."
• E. Bulgarian Tsar Constantine Tikh Asen
  Bulgarian Tsar Constantine Tikh Asen was a 13th-century ruler of the Second Bulgarian Empire, known for his turbulent reign marked by internal strife and conflicts with neighboring powers.
• F. None of above. chosen

Target predicate: involvedRuler
Context triple: [Byzantine–Bulgarian wars, involvedRuler, Khan Asparuh of Bulgaria]

• A. monarchInvolved
  Indicates that a monarch participates in, is associated with, or plays a role in a particular event, action, or situation.
• B. involvesRuler chosen
  Indicates that the relationship or action includes or pertains to a ruler as a participating party.
• C. alsoRuled
  Indicates that two or more entities shared ruling authority over the same domain or subjects, either concurrently or at different times.
• D. regentOf
  Indicates a relationship where one entity serves as the ruling authority or caretaker governing on behalf of another entity, typically during the latter’s minority, absence, or incapacity.
• E. recognizedAsRulersBy
  Indicates that certain entities are acknowledged or accepted by others as their legitimate rulers or authorities.
• F. None of above.