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: Siege of Kaifeng | Statement: [Mongol–Jin War, notableBattle, Siege of Kaifeng]

Target entity: Siege of Kaifeng
Context triple: [Mongol–Jin War, notableBattle, Siege of Kaifeng]

• A. siege of Kaifeng chosen
  The siege of Kaifeng was a pivotal 1126–1127 military campaign in which Jurchen Jin forces captured the Northern Song capital, leading to the Jingkang incident and the collapse of the Northern Song dynasty.
• B. Siege of Zhongdu
  The Siege of Zhongdu was a pivotal 1215 Mongol conquest of the Jin dynasty capital (modern Beijing), marking a major step in the Mongol expansion into northern China.
• C. Siege of Ezhou
  The Siege of Ezhou was a pivotal Mongol assault on the Southern Song stronghold of Ezhou in the late 13th century, contributing significantly to the eventual collapse of the Song dynasty.
• D. Battle of Xiangyang
  The Battle of Xiangyang was a pivotal 13th-century siege in which Mongol forces captured the key Song dynasty fortress city of Xiangyang, opening the way for the conquest of southern China.
• E. Siege of Jinji
  The Siege of Jinji was a prolonged late-17th-century Mughal campaign in southern India in which Emperor Aurangzeb’s forces besieged and eventually captured the fortified stronghold of the Maratha leader Rajaram, marking a key episode in the Mughal–Maratha conflict.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.