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: Serbian Empire | Statement: [Duchy of Neopatras, conflictWith, Serbian Empire]

Target entity: Serbian Empire
Context triple: [Duchy of Neopatras, conflictWith, Serbian Empire]

• A. Serbian Empire chosen
  The Serbian Empire was a powerful medieval Balkan state that reached its zenith in the 14th century under Emperor Stefan Dušan, encompassing large parts of the central and southern Balkans.
• B. Serbian Despotate
  The Serbian Despotate was a late medieval Serbian state that emerged after the fall of the Serbian Empire and served as one of the last Christian strongholds in the Balkans before its conquest by the Ottoman Empire.
• C. Serbian principalities
  The Serbian principalities were a group of medieval South Slavic states in the Balkans that emerged from the fragmentation of earlier Serbian realms and frequently clashed with neighboring powers such as the Ottoman Empire.
• D. Second Bulgarian Empire
  The Second Bulgarian Empire was a medieval Bulgarian state (1185–1396) that emerged after a successful uprising against Byzantine rule and became a major political and cultural power in the Balkans before falling to the Ottoman Empire.
• E. First Bulgarian Empire
  The First Bulgarian Empire was a medieval Balkan state that became a major political and cultural power in Eastern Europe, playing a key role in the spread of Slavic literacy and Orthodox Christianity.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.