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: Investiture Controversy | Statement: [Duke Welf I of Bavaria, participatedIn, Investiture Controversy]

Target entity: Investiture Controversy
Context triple: [Duke Welf I of Bavaria, participatedIn, Investiture Controversy]

• A. Investiture Controversy chosen
  The Investiture Controversy was an 11th–12th century power struggle between the papacy and secular rulers over who held the authority to appoint bishops and other high church officials.
• B. Pope–Theobald controversy
  The Pope–Theobald controversy was an 18th-century literary feud in which Alexander Pope attacked the editor and playwright Lewis Theobald as a dunce and poor critic, most famously in his satirical poem "The Dunciad."
• C. Gallican Church controversy
  The Gallican Church controversy was a late 17th-century dispute over the limits of papal authority and the autonomy of the French Catholic Church, culminating in papal condemnation of Gallican liberties.
• D. Great Rites Controversy
  The Great Rites Controversy was a major 16th-century Ming dynasty political and ideological dispute over imperial ancestral rites and succession that reshaped court factions and Confucian orthodoxy in China.
• E. Western Schism
  The Western Schism was a prolonged split within the Catholic Church (1378–1417) during which multiple rival claimants to the papacy simultaneously asserted their legitimacy, deeply dividing Christendom.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.