Classify this animal as either a carnivore, herbivore, omnivore, or insectivore.
Cow
Cow is a herbivore.
Complete the following task based on the instruction and optional input provided.### Instruction:
Classify this animal as either a carnivore, herbivore, omnivore, or insectivore.

### Input:
Cow

### Output:
Cow is a herbivore.