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 of Serbia | Statement: [Kingdom of Serbia, headOfStateTitle, King of Serbia]

Target entity: King of Serbia
Context triple: [Kingdom of Serbia, headOfStateTitle, King of Serbia]

• A. King Milutin of Serbia
  King Milutin of Serbia was a powerful medieval Serbian ruler from the Nemanjić dynasty, noted for his extensive church-building, territorial expansion, and role in strengthening Orthodox Christianity in the Balkans.
• B. Peter I of Serbia
  Peter I of Serbia was the King of Serbia and later the first King of the Kingdom of Serbs, Croats and Slovenes (later Yugoslavia), remembered for his leadership during the Balkan Wars and World War I and his role in unifying South Slavic peoples.
• C. Alexander I of Yugoslavia
  Alexander I of Yugoslavia was the king who unified the Kingdom of Serbs, Croats and Slovenes into Yugoslavia and ruled as its monarch until his assassination in 1934.
• D. Peter II of Yugoslavia
  Peter II of Yugoslavia was the last king of Yugoslavia, who ascended the throne as a teenager before World War II and spent most of his reign in exile after the Axis invasion.
• E. Prince Paul of Yugoslavia
  Prince Paul of Yugoslavia was a Yugoslav regent and royal statesman who effectively ruled the country in the late 1930s and early 1940s, navigating between Axis and Allied pressures before being overthrown in a 1941 coup.
• 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: King of Serbia
Triple: [Kingdom of Serbia, headOfStateTitle, King of Serbia]

The King of Serbia was the hereditary monarch who served as the supreme ruler and symbolic representative of the Serbian state during the existence of the Kingdom of Serbia.

Target entity: King of Serbia
Target entity description: The King of Serbia was the hereditary monarch who served as the supreme ruler and symbolic representative of the Serbian state during the existence of the Kingdom of Serbia.

• A. King Milutin of Serbia
  King Milutin of Serbia was a powerful medieval Serbian ruler from the Nemanjić dynasty, noted for his extensive church-building, territorial expansion, and role in strengthening Orthodox Christianity in the Balkans.
• B. Peter I of Serbia chosen
  Peter I of Serbia was the King of Serbia and later the first King of the Kingdom of Serbs, Croats and Slovenes (later Yugoslavia), remembered for his leadership during the Balkan Wars and World War I and his role in unifying South Slavic peoples.
• C. Alexander I of Yugoslavia
  Alexander I of Yugoslavia was the king who unified the Kingdom of Serbs, Croats and Slovenes into Yugoslavia and ruled as its monarch until his assassination in 1934.
• D. Peter II of Yugoslavia
  Peter II of Yugoslavia was the last king of Yugoslavia, who ascended the throne as a teenager before World War II and spent most of his reign in exile after the Axis invasion.
• E. Prince Paul of Yugoslavia
  Prince Paul of Yugoslavia was a Yugoslav regent and royal statesman who effectively ruled the country in the late 1930s and early 1940s, navigating between Axis and Allied pressures before being overthrown in a 1941 coup.
• F. None of above.