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: Sultanate of Rum | Statement: [Ertuğrul, allegiance, Sultanate of Rum]

Target entity: Sultanate of Rum
Context triple: [Ertuğrul, allegiance, Sultanate of Rum]

• A. Seljuk Sultanate of Rum chosen
  The Seljuk Sultanate of Rum was a medieval Turko-Persian Sunni Muslim state in Anatolia that played a key role in the region’s political and cultural transformation before the rise of the Ottomans.
• B. Seljuk Empire
  The Seljuk Empire was a medieval Sunni Muslim Turkic empire that dominated much of the Middle East and Anatolia in the 11th–12th centuries, playing a central role in the political and military context of the early Crusades.
• C. Beylik of Karaman
  The Beylik of Karaman was a prominent 13th–15th century Turkish principality in Anatolia that became one of the main rivals of the early Ottoman state and a key center of Turkish political and cultural life after the decline of Seljuk power.
• D. Beylik of Germiyan
  The Beylik of Germiyan was a prominent 13th–15th century Turkish principality in western Anatolia that played a key role in the political fragmentation following the decline of the Seljuk Sultanate of Rum and later became an important territory absorbed by the rising Ottoman Empire.
• E. Khwarazmian Empire
  The Khwarazmian Empire was a powerful medieval Persianate Muslim state in Central Asia and Iran that flourished in the 12th–13th centuries before being destroyed by the Mongol invasions.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.