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 westward expansion | Statement: [Mongol invasion of Anatolia, cause, Mongol westward expansion]

Target entity: Mongol westward expansion
Context triple: [Mongol invasion of Anatolia, cause, Mongol westward expansion]

• A. Mongol conquests
  The Mongol conquests were a series of 13th- and 14th-century military campaigns that created one of the largest contiguous empires in history, stretching across much of Asia and into Europe.
• B. Mongol conquest of Cuman–Kipchak steppe
  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 invasions of Europe chosen
  The Mongol invasions of Europe were a series of 13th-century military campaigns in which Mongol armies devastated and conquered large parts of Eastern and Central Europe, profoundly impacting the region’s political and social landscape.
• D. 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.
• E. Mongol conquest of the Western Xia
  The Mongol conquest of the Western Xia was an early 13th-century campaign in which Genghis Khan’s forces destroyed the Tangut-led Western Xia dynasty, helping to launch the Mongol Empire’s rapid expansion across Asia.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.