Classify the type of poem based on the lines given. Output one of the following: [narrative, haiku, sonnet, limerick].
The cow says moo,
The hen goes cluck,
The sheep says baa,
The duck quacks
This poem is a **limerick**.
Complete the following task based on the instruction and optional input provided.### Instruction:
Classify the type of poem based on the lines given. Output one of the following: [narrative, haiku, sonnet, limerick].

### Input:
The cow says moo,
The hen goes cluck,
The sheep says baa,
The duck quacks

### Output:
This poem is a **limerick**.