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: Khanate of Sibir | Statement: [Volga-Ural region, wasPartOf, Khanate of Sibir]

Target entity: Khanate of Sibir
Context triple: [Volga-Ural region, wasPartOf, Khanate of Sibir]

• 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. 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.
• D. Uzbek Khanate
  The Uzbek Khanate was a Central Asian Turkic state that emerged in the late 15th century and became a major regional power under leaders like Muhammad Shaybani, ruling over much of modern Uzbekistan and surrounding areas.
• E. Avar Khanate
  The Avar Khanate was a medieval polity in the eastern Caucasus ruled by the Avar people, known for its mountainous strongholds and role as a regional power between Persian, Ottoman, and Russian spheres of influence.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.