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: Ivan Sratsimir of Bulgaria | Statement: [Shishman dynasty, lastRulerInVidin, Ivan Sratsimir of Bulgaria]

Target entity: Ivan Sratsimir of Bulgaria
Context triple: [Shishman dynasty, lastRulerInVidin, Ivan Sratsimir of Bulgaria]

• A. Ivan Sratsimir of Bulgaria chosen
  Ivan Sratsimir of Bulgaria was a 14th-century Bulgarian tsar who ruled the Vidin-based western Bulgarian kingdom during the final decades before the Ottoman conquest.
• B. Ivan Stephen of Bulgaria
  Ivan Stephen of Bulgaria was a 14th-century tsar of Bulgaria from the Shishman dynasty whose brief reign reflected the political instability of the medieval Bulgarian state.
• C. Ivan Vladislav of Bulgaria
  Ivan Vladislav of Bulgaria was the last Tsar of the First Bulgarian Empire, known for his fierce resistance against Byzantine expansion before the empire’s eventual fall in 1018.
• D. Peter I of Bulgaria
  Peter I of Bulgaria was a 10th-century tsar of the First Bulgarian Empire known for his long and relatively peaceful reign, during which Bulgaria strengthened its Christianity and diplomatic ties with Byzantium.
• E. Ivan Alexander of Bulgaria
  Ivan Alexander of Bulgaria was a 14th-century tsar who presided over a cultural and religious revival in the Second Bulgarian Empire while struggling against internal fragmentation and external threats.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: lastRulerInVidin
Context triple: [Shishman dynasty, lastRulerInVidin, Ivan Sratsimir of Bulgaria]

• A. hasLastRuler
  Indicates that a specified entity is the final or most recent ruler of another entity (such as a state, dynasty, or territory).
• B. directorLastFilm
  Indicates that the related film is the most recent (last) movie directed by the given director.
• C. currentRuler
  Indicates that one entity is the present reigning ruler or head of state of another entity (such as a country, region, or polity).
• D. finalRuler chosen
  Indicates that an entity is the last or ultimate ruler of another entity, with no subsequent rulers following.
• E. musicVideoDirector
  Indicates that one entity is the director responsible for creating or overseeing the production of the other entity, which is a music video.
• F. None of above.