Group these animals into 2-legged and 4-legged categories:  kangaroo, dog, rhino, lion, giraffe, penguin, chimpanzee and cat.
Penguin, chimpanzee and kangaroo have 2 legs. Dog, cat, lion, rhino and giraffe have 4 legs.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: Group these animals into 2-legged and 4-legged categories:  kangaroo, dog, rhino, lion, giraffe, penguin, chimpanzee and cat.
### Input: 
### Response: Penguin, chimpanzee and kangaroo have 2 legs. Dog, cat, lion, rhino and giraffe have 4 legs.