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: Tsar of the First Bulgarian Empire | Statement: [Simeon I of Bulgaria, positionHeld, Tsar of the First Bulgarian Empire]

Target entity: Tsar of the First Bulgarian Empire
Context triple: [Simeon I of Bulgaria, positionHeld, Tsar of the First Bulgarian Empire]

• A. 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.
• B. 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.
• C. Tsar Samuil of Bulgaria
  Tsar Samuil of Bulgaria was a medieval Bulgarian ruler (tsar from 997 to 1014) known for leading the First Bulgarian Empire in its protracted wars against the Byzantine Empire and for making Ohrid a major political and cultural center.
• D. 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.
• E. Presian I of Bulgaria
  Presian I of Bulgaria was a 9th-century khan who significantly expanded the First Bulgarian Empire into the Balkans prior to the Christianization under his successor Boris I.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Tsar of the First Bulgarian Empire
Target entity description: The Tsar of the First Bulgarian Empire was the medieval monarch who ruled over Bulgaria at the height of its political, military, and cultural power in Eastern Europe.

• A. 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.
• B. 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.
• C. Tsar Samuil of Bulgaria chosen
  Tsar Samuil of Bulgaria was a medieval Bulgarian ruler (tsar from 997 to 1014) known for leading the First Bulgarian Empire in its protracted wars against the Byzantine Empire and for making Ohrid a major political and cultural center.
• D. 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.
• E. Presian I of Bulgaria
  Presian I of Bulgaria was a 9th-century khan who significantly expanded the First Bulgarian Empire into the Balkans prior to the Christianization under his successor Boris I.
• F. None of above.