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: First Mongol invasion of Korea (1231–1232) | Statement: [Mongol invasion of the Korean Peninsula, notableEvent, First Mongol invasion of Korea (1231–1232)]

Target entity: First Mongol invasion of Korea (1231–1232)
Context triple: [Mongol invasion of the Korean Peninsula, notableEvent, First Mongol invasion of Korea (1231–1232)]

• A. Mongol invasion of the Korean Peninsula chosen
  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.
• B. Khitan invasions of Korea
  The Khitan invasions of Korea were a series of 10th–11th century military campaigns by the Liao dynasty against the Goryeo kingdom, which reshaped regional power dynamics in Northeast Asia.
• C. Mongol invasion of 1297–1298
  The Mongol invasion of 1297–1298 was a major incursion by Mongol forces into the Delhi Sultanate that tested and ultimately reinforced Alauddin Khalji’s military power in northern India.
• D. Mongol invasion of 1327–1328
  The Mongol invasion of 1327–1328 was a late medieval incursion by Mongol forces into the Delhi Sultanate, forming part of the broader series of Mongol invasions of the Indian subcontinent.
• E. Mongol invasion of 1303
  The Mongol invasion of 1303 was a major Mongol assault on the Delhi Sultanate that brought Mongol forces to the outskirts of Delhi and posed one of the gravest external threats to Alauddin Khalji’s rule.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.