Given a list of animals, identify which ones are mammals.
Horse, mouse, lizard
From the given list, the horse and mouse are mammals while the lizard is a reptile.
Complete the following task based on the instruction and optional input provided.### Instruction:
Given a list of animals, identify which ones are mammals.

### Input:
Horse, mouse, lizard

### Output:
From the given list, the horse and mouse are mammals while the lizard is a reptile.