Definition: 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.
Input: Sentence1: I own two pairs of shorts. Sentence2: One fits very well. Sentence3: I wondered why the other did not fit. Sentence4: I found it was a size narrower, and ordered another pair. Sentence5: I was sure I could not lose weight to fit into the smaller pair.
Output:
I (myself)