Classify the animals into carnivorous, herbivorous and omnivorous.
Leopard, Cow, Rabbit
Carnivorous: Leopard
Herbivorous: Cow, Rabbit
Omnivorous: None
Complete the following task based on the instruction and optional input provided.### Instruction:
Classify the animals into carnivorous, herbivorous and omnivorous.

### Input:
Leopard, Cow, Rabbit

### Output:
Carnivorous: Leopard
Herbivorous: Cow, Rabbit
Omnivorous: None