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: Fatimid caliphs | Statement: [House of al-Mahdi, usedBy, Fatimid caliphs]

Target entity: Fatimid caliphs
Context triple: [House of al-Mahdi, usedBy, Fatimid caliphs]

• A. Fatimid caliph chosen
  A Fatimid caliph was the supreme religious and political leader of the Isma'ili Shi'a Fatimid Caliphate, ruling a vast medieval empire centered in North Africa and Egypt.
• B. Fatimid Caliphate
  The Fatimid Caliphate was an Isma'ili Shia Islamic dynasty that ruled a powerful Mediterranean empire from the 10th to 12th centuries, renowned for its cultural, economic, and intellectual flourishing centered in North Africa and Egypt.
• C. Ayyubid sultans
  The Ayyubid sultans were a medieval Sunni Muslim dynasty, founded by Saladin, that ruled extensive territories in Syria, Egypt, and surrounding regions during the 12th and 13th centuries.
• D. Senussi dynasty
  The Senussi dynasty was a Libyan Islamic religious and political ruling family that led the country to independence under King Idris I in the mid-20th century.
• E. Ayyubid dynasty
  The Ayyubid dynasty was a medieval Sunni Muslim ruling family of Kurdish origin that controlled Egypt, Syria, parts of Iraq, and the Arabian Peninsula, and is best known for the leadership of Saladin and its role in the Crusades.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.