Categorize the following animals: snake, giraffe, bear.
- Snake: Reptile
- Giraffe: Mammal
- Bear: Mammal
Complete the following task based on the instruction and optional input provided.### Instruction:
Categorize the following animals: snake, giraffe, bear.

### Output:
- Snake: Reptile
- Giraffe: Mammal
- Bear: Mammal