Identify the main character in the following story.
Once upon a time, there lived a poor peasant boy who worked very hard on his farm.
The main character in the story is a poor peasant boy who worked very hard on his farm.
Complete the following task based on the instruction and optional input provided.### Instruction:
Identify the main character in the following story.

### Input:
Once upon a time, there lived a poor peasant boy who worked very hard on his farm.

### Output:
The main character in the story is a poor peasant boy who worked very hard on his farm.