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: William IV, Grand Duke of Luxembourg | Statement: [Marie-Adélaïde Thérèse Hilda Wilhelmine, predecessor, William IV, Grand Duke of Luxembourg]

Target entity: William IV, Grand Duke of Luxembourg
Context triple: [Marie-Adélaïde Thérèse Hilda Wilhelmine, predecessor, William IV, Grand Duke of Luxembourg]

• A. William IV, Grand Duke of Luxembourg chosen
  William IV, Grand Duke of Luxembourg, was the early 20th-century Luxembourgish monarch whose reign marked the transition of the grand duchy’s succession to the female line through his daughters.
• B. William II, Grand Duke of Luxembourg
  William II, Grand Duke of Luxembourg, was a 19th-century monarch who also reigned as King of the Netherlands and played a key role in the constitutional transformation of the Dutch state.
• C. Adolphe, Grand Duke of Luxembourg
  Adolphe, Grand Duke of Luxembourg was the first monarch of the House of Nassau-Weilburg to rule Luxembourg, reigning from 1890 to 1905 and helping to shape the country’s modern constitutional monarchy.
• D. Grand Duke Félix of Luxembourg
  Grand Duke Félix of Luxembourg was the consort of Grand Duchess Charlotte and a prominent member of the Luxembourgish royal family during the mid-20th century.
• E. Henri, Grand Duke of Luxembourg
  Henri, Grand Duke of Luxembourg, is the reigning monarch of Luxembourg who has served as the country's constitutional sovereign since 2000.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.