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 IV, Holy Roman Emperor | Statement: [Charles University in Prague, namedAfter, Charles IV, Holy Roman Emperor]

Target entity: Charles IV, Holy Roman Emperor
Context triple: [Charles University in Prague, namedAfter, Charles IV, Holy Roman Emperor]

• A. Charles IV, Holy Roman Emperor chosen
  Charles IV, Holy Roman Emperor, was a 14th-century ruler of the Holy Roman Empire and King of Bohemia who transformed Prague into a major political and cultural center of Europe.
• B. Charles IV of Spain
  Charles IV of Spain was a late 18th- and early 19th-century Bourbon king whose weak rule and reliance on favorites contributed to political instability and the circumstances leading to the Peninsular War and the decline of Spanish power.
• C. Maximilian II Emanuel, Elector of Bavaria
  Maximilian II Emanuel, Elector of Bavaria, was a prominent late 17th- and early 18th-century Bavarian ruler and military leader whose ambitious foreign policy and shifting alliances significantly shaped the politics of the Holy Roman Empire and wider Europe.
• D. Philip IV of Spain
  Philip IV of Spain was a 17th-century Habsburg king who presided over the Spanish Empire during its political and military decline but also its cultural Golden Age, patronizing artists like Diego Velázquez.
• E. Prince Ferdinand of Brunswick
  Prince Ferdinand of Brunswick was an 18th-century Prussian field marshal renowned for leading Allied forces against the French in Western Germany during the Seven Years' War.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.