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: Casimir IV Jagiellon | Statement: [Gediminid dynasty, notableMember, Casimir IV Jagiellon]

Target entity: Casimir IV Jagiellon
Context triple: [Gediminid dynasty, notableMember, Casimir IV Jagiellon]

• A. Casimir IV Jagiellon chosen
  Casimir IV Jagiellon was a 15th-century King of Poland and Grand Duke of Lithuania whose long reign marked the height of Jagiellonian power in Central and Eastern Europe.
• B. Louis II Jagiellon
  Louis II Jagiellon was the early 16th-century King of Hungary and Bohemia whose death at the Battle of Mohács in 1526 marked a turning point leading to Habsburg and Ottoman dominance in Central Europe.
• C. Sigismund II Augustus
  Sigismund II Augustus was the last Jagiellonian king of Poland and Grand Duke of Lithuania, known for overseeing the Union of Lublin that created the Polish–Lithuanian Commonwealth.
• D. Frederick Jagiellon
  Frederick Jagiellon was a Polish prince of the Jagiellonian dynasty who became a prominent Catholic churchman, serving as Archbishop of Gniezno and Primate of Poland in the late 15th and early 16th centuries.
• E. Vladislaus II Jagiellon
  Vladislaus II Jagiellon was a late 15th- and early 16th-century king from the Jagiellonian dynasty who ruled both Bohemia and Hungary during a period of dynastic union and growing Ottoman pressure in Central Europe.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.