Original sentence: An example is United to End Racism (UER).RC'ers claim that RC has attempted to systematize and analyze the counseling process more comprehensively and (to some) believably than other counseling disciplines; but this has been contested
Edited sentence: However the organisation has also had it's share of controversy including internal conflict, power battles, and allegations of sexual abuse by it's founder.Some internal apologists often maintain that RC has attempted to systematize and analyze the counseling process more comprehensively and (to some) believably than other counseling disciplines; but this has been contested by others who say that it is a completely irrational process based on ridiculous premises