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 state | Statement: [al-Mahdi, founded, Mahdist state]

Target entity: Mahdist state
Context triple: [al-Mahdi, founded, Mahdist state]

• A. Mahdist Sudan chosen
  Mahdist Sudan was a late 19th-century Islamic state in the Sudanese region established by Muhammad Ahmad al-Mahdi after his revolt against Ottoman-Egyptian and British rule.
• B. Adal Sultanate
  The Adal Sultanate was a medieval Muslim Somali-led kingdom in the Horn of Africa that played a major role in regional trade and warfare, particularly in conflicts with the Christian Ethiopian Empire.
• C. Emirate of Harar
  The Emirate of Harar was a historic Muslim city-state centered on the fortified city of Harar in the Horn of Africa, known for its role as a regional trade hub and center of Islamic scholarship before its incorporation into the Ethiopian Empire.
• D. Wadai Sultanate
  The Wadai Sultanate was a powerful pre-colonial Islamic kingdom in central Africa, centered in what is now eastern Chad, that dominated regional trade and politics from the early modern period until French conquest in the early 20th century.
• E. Yafa Sultanate
  The Yafa Sultanate was a traditional Arab sultanate in the Yafa region of southern Arabia that later became one of the constituent states of the British-backed Federation of South Arabia.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.