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: Sibir Khanate | Statement: [Jochid, ruledOver, Sibir Khanate]

Target entity: Sibir Khanate
Context triple: [Jochid, ruledOver, Sibir Khanate]

• A. Siberian Khanate chosen
  The Siberian Khanate was a medieval Tatar-ruled state in western Siberia that served as a key political and trading center before its conquest by Muscovy in the late 16th century.
• B. Kalmyk Khanate
  The Kalmyk Khanate was a 17th–18th century nomadic Mongol state on the lower Volga River, whose Oirat rulers served as vassals of the Russian Empire while maintaining their own steppe-based political and military structures.
• C. Chagatai Khanate
  The Chagatai Khanate was a Mongol and later Turkic-ruled khanate in Central Asia, formed from the lands of Genghis Khan’s son Chagatai and serving as a key successor state of the Mongol Empire.
• D. Astrakhan Khanate
  The Astrakhan Khanate was a 15th–16th century Tatar state on the lower Volga River that became a key center of trade and was eventually conquered and annexed by the expanding Russian Tsardom.
• E. Dzungar Khanate
  The Dzungar Khanate was a powerful 17th–18th century Oirat Mongol state in Central Asia that dominated much of Xinjiang and surrounding regions until its destruction by the Qing dynasty.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.