Original sentence: The UCS has been criticized as being an "unlabeled left-wing activist" group, and for accepting donations from "liberal-leaning foundations"
Edited sentence: It would follow that any agenda-based group would donate to science groups whose work could be used to support their own goals.The UCS has been criticized by right-wing activist group "TimesWatch" as being an "unlabeled left-wing activist" group, and for accepting donations from "liberal-leaning foundations"