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: John IV of Trebizond | Statement: [David of Trebizond, predecessor, John IV of Trebizond]

Target entity: John IV of Trebizond
Context triple: [David of Trebizond, predecessor, John IV of Trebizond]

• A. John IV of Trebizond chosen
  John IV of Trebizond was a 15th-century emperor of the Empire of Trebizond, known for his long reign during the final decades of the Byzantine successor state on the Black Sea coast.
• B. John III of Trebizond
  John III of Trebizond was a 14th-century emperor of the Empire of Trebizond whose reign was marked by internal dynastic struggles and the empire’s precarious position between powerful regional neighbors.
• C. John II of Trebizond
  John II of Trebizond was a 13th-century Byzantine Greek emperor who ruled the Empire of Trebizond and is noted for consolidating its independence and regional influence along the Black Sea.
• D. Manuel II of Trebizond
  Manuel II of Trebizond was a 14th-century emperor of the Empire of Trebizond from the Grand Komnenos dynasty, ruling briefly during a period of internal dynastic conflict and external pressure from neighboring powers.
• E. Manuel III of Trebizond
  Manuel III of Trebizond was an early 15th-century Emperor of the Empire of Trebizond, ruling during a period of regional turmoil on the Black Sea coast.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.