Original sentence: The circus is frequently campaigned against by animal-rights organizations such as People for the Ethical Treatment of Animals (PETA), which alleges that animals are subjected to brutal treatments and lack of mental and physical stimulation while in its custody.The circus, for its part, maintains that the utmost care is given to the animals' health and welfare, and emphasizes this in its website and public literature, along with its contributions to animal conservation (see below)
Edited sentence: The circus is frequently campaigned against by animal-rights organizations such as People for the Ethical Treatment of Animals (PETA), which has evidence that animals are subjected to brutal treatments and lack of mental and physical stimulation while in its custody.The circus, for its part, alleges that the utmost care is given to the animals' health and welfare, and repeats the lies in its website and public literature, along with its supposed contributions to animal conservation (see below)