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: King Vukašin Mrnjavčević | Statement: [Despot Jovan Uglješa, sibling, King Vukašin Mrnjavčević]

Target entity: King Vukašin Mrnjavčević
Context triple: [Despot Jovan Uglješa, sibling, King Vukašin Mrnjavčević]

• A. King Vukašin Mrnjavčević chosen
  King Vukašin Mrnjavčević was a 14th-century Serbian monarch and nobleman who ruled as co-king of the Serbian Empire and played a key role in its late medieval politics before being killed fighting the Ottomans.
• B. Ivan Crnojević
  Ivan Crnojević was a 15th-century Montenegrin ruler of the Crnojević dynasty, best known for establishing the medieval Montenegrin state’s political and cultural center and resisting Ottoman expansion.
• C. Uroš II Prvoslav
  Uroš II Prvoslav was a medieval Serbian ruler from the Vukanović dynasty who governed Serbia in the early 12th century amid complex regional power struggles between Byzantium and neighboring states.
• D. Stefan Vojislav
  Stefan Vojislav was an 11th-century Serbian ruler who established the independence and power of the medieval state of Duklja in the western Balkans.
• E. Thomas I Preljubović
  Thomas I Preljubović was a 14th-century Serbian noble who ruled Ioannina and much of the Despotate of Epirus, noted for his harsh governance and turbulent relations with both local Greeks and neighboring powers.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.