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 Samuel of Bulgaria | Statement: [Bulgaroktonos, associatedOpponentRuler, Tsar Samuel of Bulgaria]

Target entity: Tsar Samuel of Bulgaria
Context triple: [Bulgaroktonos, associatedOpponentRuler, Tsar Samuel of Bulgaria]

• A. Samuel of Bulgaria chosen
  Samuel of Bulgaria was a medieval Tsar who led the First Bulgarian Empire at its height around the turn of the 11th century, fiercely resisting Byzantine expansion until its eventual conquest.
• B. Tsar Ivan Alexander of Bulgaria
  Tsar Ivan Alexander of Bulgaria was a 14th-century Bulgarian ruler known for presiding over a cultural and literary revival that marked one of the last great flourishing periods of the medieval Bulgarian Empire.
• C. Boris II of Bulgaria
  Boris II of Bulgaria was a 10th-century Bulgarian tsar whose short and troubled reign marked the beginning of the decline of the First Bulgarian Empire under Byzantine pressure.
• D. Boril of Bulgaria
  Boril of Bulgaria was a Tsar of the Second Bulgarian Empire in the early 13th century, known for his troubled reign marked by internal strife and military setbacks following the rule of Kaloyan.
• E. Michael II Asen of Bulgaria
  Michael II Asen of Bulgaria was a 13th-century tsar of the Second Bulgarian Empire from the Asen dynasty, known for his troubled reign marked by internal strife and foreign intervention.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: associatedOpponentRuler
Context triple: [Bulgaroktonos, associatedOpponentRuler, Tsar Samuel of Bulgaria]

• A. opponentMonarch
  Indicates that one monarch stands in an opposing or adversarial position to another monarch, typically in conflict or competition.
• B. rivalOf chosen
  Indicates a relationship in which two entities compete against or oppose each other, often seeking advantage in the same domain or objective.
• C. wasOpponentOf
  Indicates that one entity competed or conflicted against another as an adversary in some contest, game, or confrontation.
• D. laterEnemyOf
  Indicates that one entity becomes an enemy of another at a later time, after not initially being in an antagonistic relationship.
• E. opponentCapitalOf
  Indicates that one entity is the capital city of a political or territorial unit that is considered an opponent or adversary of another referenced entity.
• F. None of above.