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: Mahdist army | Statement: [Mahdist Ansar forces, alsoKnownAs, Mahdist army]

Target entity: Mahdist army
Context triple: [Mahdist Ansar forces, alsoKnownAs, Mahdist army]

• A. Mahdist Ansar forces chosen
  The Mahdist Ansar forces were the Sudanese Islamist rebel army loyal to Muhammad Ahmad al-Mahdi that waged a successful jihad against Egyptian and British control in the late 19th century.
• B. Ghurid army
  The Ghurid army was the military force of the Ghurid dynasty, a medieval Islamic power from the region of Ghor in present-day Afghanistan that expanded into large parts of the Indian subcontinent.
• C. Umayyad army
  The Umayyad army was the military force of the early Islamic Caliphate that drove its rapid expansion across the Middle East, North Africa, and parts of Europe in the 7th and 8th centuries.
• D. Mamluk forces
  Mamluk forces were the military units of the Mamluk Sultanate, composed largely of slave-soldier elites who defended and ruled parts of Egypt and the Levant and famously resisted powers such as the Mongols and European crusaders.
• E. Abbasid forces
  Abbasid forces were the military supporters of the Abbasid family whose victory over the Umayyads enabled the establishment of the Abbasid Caliphate in the mid-8th century.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.