Classify the following mammals: bat, coral reef, whale
- Bat: Mammal
- Coral reef: Not a mammal, it is a marine ecosystem consisting of coral and other organisms.
- Whale: Mammal.
Complete the following task based on the instruction and optional input provided.### Instruction:
Classify the following mammals: bat, coral reef, whale

### Output:
- Bat: Mammal
- Coral reef: Not a mammal, it is a marine ecosystem consisting of coral and other organisms.
- Whale: Mammal.