Generate a joke about cats and dogs.
Why don't dogs use computers? They can't get past the firewall... but the CATs can always find a mouse!
Below is an instruction that describes a task, write a response that appropriately completes the request.

### Instruction:
Generate a joke about cats and dogs.

### Response:
Why don't dogs use computers? They can't get past the firewall... but the CATs can always find a mouse!