Original sentence: He also maintained a daily talk show on KPFK between 1998 and 2001, which he quit amid disagreements with the dissident group which gained control of the station's parent Pacifica Foundation
Edited sentence: He also maintained a daily talk show on KPFK between 1998 and 2001.He quit the show after the station's parent Pacifica Foundation was taken over by a "dissident" group that demanded political purity