Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
Categorize this poem as either limerick, sonnet or haiku.

### Input:
Hey diddle diddle
The cat and the fiddle
The cow jumped over the moon
The little dog laughed
To see such sport
And the dish ran away with the spoon

### Response:
Limerick.