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: Crimean Khanate | Statement: [Northern Crimea, wasFrontierOf, Crimean Khanate]

Target entity: Crimean Khanate
Context triple: [Northern Crimea, wasFrontierOf, Crimean Khanate]

• A. Crimean Khanate chosen
  The Crimean Khanate was a Turkic Tatar state and vassal of the Ottoman Empire that controlled the Crimean Peninsula and surrounding steppes from the 15th to the 18th century, known for its role in Black Sea politics and slave raids into Eastern Europe.
• B. 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.
• C. Kazan Khanate
  The Kazan Khanate was a medieval Tatar Turkic state centered on the city of Kazan, which emerged from the Golden Horde and became a major regional power and frequent adversary of Muscovy until its conquest by Ivan the Terrible in 1552.
• D. Khanate of Khiva
  The Khanate of Khiva was a Central Asian Turkic khanate centered around the oasis city of Khiva, which existed from the early 16th century until its incorporation into the Russian Empire in the late 19th century.
• E. Siberian Khanate
  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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: wasFrontierOf
Context triple: [Northern Crimea, wasFrontierOf, Crimean Khanate]

• A. northernFrontier chosen
  Indicates that one entity serves as the northern boundary, edge, or frontier region relative to another entity.
• B. wasCrossroadsOf
  Indicates that a place served as a central junction or meeting point where multiple routes, paths, or influences converged.
• C. wasCoreTerritoryOf
  Indicates that a region historically formed the central or most important territorial area belonging to a particular political or cultural entity.
• D. wasColonyOf
  Indicates that one entity functioned as a colony under the political control or administration of another entity.
• E. wasExclaveOf
  Indicates that a territory or region was geographically separated from its main governing state and politically belonged to that state as an exclave.
• F. None of above.