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.
Q: Sentence1: I was sitting in my chair. Sentence2: I leaned back a little too far. Sentence3: I heard a tiny crack. Sentence4: I looked down at my chair. Sentence5: One of the legs had a crack.
A:
I (myself)