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: Papacy of Sixtus IV | Statement: [Grave nimis, papacyOfIssuer, Papacy of Sixtus IV]

Target entity: Papacy of Sixtus IV
Context triple: [Grave nimis, papacyOfIssuer, Papacy of Sixtus IV]

• A. Pope Sixtus IV chosen
  Pope Sixtus IV was a 15th-century head of the Catholic Church known for his influential but controversial papacy, marked by political involvement in Italian affairs, extensive patronage of Renaissance art and architecture (including the Sistine Chapel), and support for measures like the Spanish Inquisition.
• B. Pope Innocent VII
  Pope Innocent VII was a 15th-century pontiff of the Roman Catholic Church whose short and turbulent reign occurred during the Western Schism.
• C. Pope Pius II
  Pope Pius II was a 15th-century Renaissance pope, humanist scholar, and former diplomat known for his literary works and efforts to organize a crusade against the Ottoman Empire.
• D. Pope Clement VII
  Pope Clement VII was a 16th-century head of the Catholic Church best known for his role in the events leading to the English Reformation and for navigating the complex political struggles between France, the Holy Roman Empire, and other European powers.
• E. Pope Martin V
  Pope Martin V was the head of the Catholic Church from 1417 to 1431, whose election ended the Western Schism and restored papal authority in Rome.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.