Complex sentence: Some groups, particularly Alevis, claim that the Diyanet reflects mainstream Sunni Islamic beliefs to the exclusion of other beliefs; however, the Government asserts that the Diyanet treats equally all who request services.
Split into simpler sentences: Some groups, particularly Alevis, claim that the Diyanet reflects mainstream Sunni Islamic beliefs to the exclusion of other beliefs. The government asserts that the Diyanet treats equally all who request services.