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 Khartoum | Statement: [Mahdist Ansar forces, notableBattle, Siege of Khartoum]

Target entity: Siege of Khartoum
Context triple: [Mahdist Ansar forces, notableBattle, Siege of Khartoum]

• A. Siege of Khartoum chosen
  The Siege of Khartoum was an 1884–1885 military encirclement and capture of the Sudanese capital by Mahdist forces, culminating in the death of British General Charles Gordon and a major imperial defeat for Britain.
• B. Battle of Omdurman
  The Battle of Omdurman was an 1898 clash in Sudan in which British-Egyptian forces decisively defeated Mahdist armies, securing Anglo-Egyptian control over Sudan and showcasing the lethal impact of modern weaponry in colonial warfare.
• C. Conquest of Sudan
  The Conquest of Sudan was the 19th-century Egyptian military campaign that brought much of Sudan under Ottoman-Egyptian control, laying the groundwork for later Anglo-Egyptian rule.
• D. Battle of Massawa
  The Battle of Massawa was a key 1990 offensive by Eritrean rebel forces to capture the strategic Red Sea port city of Massawa from Ethiopian government control, significantly advancing Eritrea’s path to independence.
• E. Battle of Kut
  The Battle of Kut was a major World War I siege in Mesopotamia where Ottoman forces surrounded and ultimately forced the surrender of a British-Indian garrison, marking one of the British Empire’s most significant defeats in the Middle Eastern campaign.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.