Q: In this task, you're given a story (which contains five sentences only). Your task is to find all the characters which are available in the given story.
Sentence1: I wanted to plant a new cherry tree in my backyard. Sentence2: Rather than pay for someone to do the digging, I dug the hole myself. Sentence3: As I dug deeper, I suddenly felt my shovel hit a hard object. Sentence4: I thought it was a rock, but it turned out to be a pipe. Sentence5: I had burst the pipe and ended up with a costly repair bill.
A:
I (myself), Someone