entity_id,period_id,confidence,rationale,source_id,review_status
ENT_ISL_RASHIDUN,PER_ISL_EARLY,high,"The first four caliphs of Islam — Abu Bakr, Umar, Uthman, and Ali — regarded in Sunni tradition as the 'Rightly-Guided' successors of the Prophet (632-661 CE).",SRC_SAHIH_BUKHARI,reviewed