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 conquest of the Song dynasty | Statement: [Mongol conquests, hasPart, Mongol conquest of the Song dynasty]

Target entity: Mongol conquest of the Song dynasty
Context triple: [Mongol conquests, hasPart, Mongol conquest of the Song dynasty]

• A. 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.
• B. Mongol–Song War chosen
  The Mongol–Song War was the protracted 13th-century conflict in which the Mongol Empire conquered the Southern Song dynasty, leading to the unification of China under Mongol rule and the establishment of the Yuan dynasty.
• C. Mongol–Jin War
  The Mongol–Jin War was a major early 13th-century campaign in which Genghis Khan’s Mongol Empire systematically conquered the Jurchen-led Jin dynasty in northern China, paving the way for Mongol dominance in East Asia.
• D. Mongol invasion of the Korean Peninsula
  The Mongol invasion of the Korean Peninsula was a series of 13th-century military campaigns in which the Mongol Empire attacked and eventually subjugated the Goryeo kingdom, integrating it into the Mongol sphere of influence.
• E. Jin–Song Wars
  The Jin–Song Wars were a series of 12th–13th century military conflicts between China’s Song dynasty and the Jurchen-led Jin dynasty that reshaped political control in northern and southern China.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.