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 state under Prince Lazar | Statement: [Moravian Serbia, coreOf, Serbian state under Prince Lazar]

Target entity: Serbian state under Prince Lazar
Context triple: [Moravian Serbia, coreOf, Serbian state under Prince Lazar]

• A. 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.
• B. Lordship of Prilep
  The Lordship of Prilep was a late medieval Balkan state centered on the city of Prilep that emerged from the fragmentation of the Serbian Empire and was ruled by local Serbian nobility.
• C. 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.
• D. Fall of the Serbian Despotate 1459
  The Fall of the Serbian Despotate in 1459 was the final Ottoman conquest of the last independent Serbian medieval state, marking the end of Serbian sovereignty in the Middle Ages and its full incorporation into the Ottoman Empire.
• E. Prince Lazar of Serbia
  Prince Lazar of Serbia was a 14th-century Serbian ruler and national hero best known for leading Serbian forces against the Ottoman Empire at the Battle of Kosovo in 1389.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Serbian state under Prince Lazar
Triple: [Moravian Serbia, coreOf, Serbian state under Prince Lazar]

The Serbian state under Prince Lazar was a late medieval Serbian principality centered in Moravian Serbia that became the political and cultural heart of the Serbian lands after the decline of the Nemanjić Empire.

Target entity: Serbian state under Prince Lazar
Target entity description: The Serbian state under Prince Lazar was a late medieval Serbian principality centered in Moravian Serbia that became the political and cultural heart of the Serbian lands after the decline of the Nemanjić Empire.

• A. 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.
• B. Lordship of Prilep
  The Lordship of Prilep was a late medieval Balkan state centered on the city of Prilep that emerged from the fragmentation of the Serbian Empire and was ruled by local Serbian nobility.
• C. 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.
• D. Fall of the Serbian Despotate 1459
  The Fall of the Serbian Despotate in 1459 was the final Ottoman conquest of the last independent Serbian medieval state, marking the end of Serbian sovereignty in the Middle Ages and its full incorporation into the Ottoman Empire.
• E. Prince Lazar of Serbia
  Prince Lazar of Serbia was a 14th-century Serbian ruler and national hero best known for leading Serbian forces against the Ottoman Empire at the Battle of Kosovo in 1389.
• F. None of above. chosen