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: Mongol campaign against the Cumans | Statement: [Mongol conquest of Volga Bulgaria, follows, Mongol campaign against the Cumans]

Target entity: Mongol campaign against the Cumans
Context triple: [Mongol conquest of Volga Bulgaria, follows, Mongol campaign against the Cumans]

• A. Wars against the Cumans
  The Wars against the Cumans were a series of medieval military campaigns in which Kievan Rus', under rulers such as Vladimir II Monomakh, fought the nomadic Cuman tribes on the steppe frontiers of Eastern Europe.
• B. Mongol conquest of Cuman–Kipchak steppe chosen
  The Mongol conquest of the Cuman–Kipchak steppe was a 13th-century campaign in which the Mongol Empire subjugated the nomadic Cuman and Kipchak peoples of the Pontic–Caspian steppe, securing control over a vast region of Eurasia and opening the way for further westward expansion.
• C. Mongol conquest of the Khwarezmian Empire
  The Mongol conquest of the Khwarezmian Empire was a devastating early 13th-century campaign in which Genghis Khan’s forces destroyed the Khwarezmian state and opened the way for Mongol expansion across Persia and into the Islamic world.
• D. Mongol conquest of Volga Bulgaria
  The Mongol conquest of Volga Bulgaria was a 13th-century military campaign in which the Mongol Empire subjugated the Volga Bulgar state, securing control over key trade routes in the Middle Volga region.
• E. Mongol conquest of the Qara Khitai
  The Mongol conquest of the Qara Khitai was a key early 13th-century campaign in Central Asia in which Genghis Khan’s forces destroyed the Qara Khitai (Western Liao) state, expanding Mongol control deep into the region.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.