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: Rurik dynasty | Statement: [Feodor I of Russia, dynasty, Rurik dynasty]

Target entity: Rurik dynasty
Context triple: [Feodor I of Russia, dynasty, Rurik dynasty]

• A. Rurik dynasty chosen
  The Rurik dynasty was the first ruling dynasty of Kievan Rus' and later Muscovy, traditionally traced to the Varangian prince Rurik and his descendants who governed much of Eastern Europe from the 9th to the 16th century.
• B. Gediminid dynasty
  The Gediminid dynasty was a powerful medieval ruling family that expanded the Grand Duchy of Lithuania into one of the largest states in Europe and provided monarchs to Lithuania, Poland, and other Eastern European realms.
• C. Godunov dynasty
  The Godunov dynasty was a short-lived Russian ruling house that came to power with Tsar Boris Godunov at the end of the 16th century, preceding the Time of Troubles.
• D. Leonid dynasty
  The Leonid dynasty was a ruling Byzantine imperial family that governed the Eastern Roman Empire in the late 5th and early 6th centuries, laying foundations for the later Justinian era.
• E. Рюриковичи
  Рюриковичи — древняя правящая династия восточнославянских князей, от которой происходили многие русские, украинские и белорусские князья Средневековья.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.