<|im_start|>user
Group these animals into 2-legged and 4-legged categories:  kangaroo, dog, rhino, lion, giraffe, penguin, chimpanzee and cat.<|im_end|>
<|im_start|>assistant
Penguin, chimpanzee and kangaroo have 2 legs. Dog, cat, lion, rhino and giraffe have 4 legs.<|im_end|>
