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: Charles Emmanuel IV of Sardinia | Statement: [Maria Theresa of Savoy, sibling, Charles Emmanuel IV of Sardinia]

Target entity: Charles Emmanuel IV of Sardinia
Context triple: [Maria Theresa of Savoy, sibling, Charles Emmanuel IV of Sardinia]

• A. Charles Emmanuel IV of Sardinia chosen
  Charles Emmanuel IV of Sardinia was a late 18th-century King of Sardinia from the House of Savoy who lost most of his mainland territories to Napoleonic France and later abdicated, retiring into religious life.
• B. Charles Emmanuel III of Sardinia
  Charles Emmanuel III of Sardinia was an 18th-century King of Sardinia and Duke of Savoy known for his military leadership and diplomatic maneuvering during major European conflicts, including the War of the Austrian Succession.
• C. Victor Amadeus III of Sardinia
  Victor Amadeus III of Sardinia was an 18th-century King of Sardinia from the House of Savoy, known for his conservative rule and involvement in the early stages of the French Revolutionary Wars.
• D. Victor Amadeus, Prince of Piedmont
  Victor Amadeus, Prince of Piedmont was the eldest son and heir apparent of Victor Amadeus II of Savoy and Anne Marie d’Orléans, whose early death prevented him from succeeding to the Sardinian throne.
• E. Carlo Felice of Savoy
  Carlo Felice of Savoy was a 19th-century King of Sardinia from the House of Savoy who ruled from 1821 to 1831 and is remembered for his conservative policies and patronage of the arts.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.