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.

[EX Q]: Sentence1: I was feeling a little hungry. Sentence2: I decided to make oysters. Sentence3: But first, I had to find some. Sentence4: I went to the beach and began looking. Sentence5: By the end of the day, I had caught twenty oysters!
[EX A]: I (myself)

[EX Q]: Sentence1: Tim was going to drive a friend home. Sentence2: The friend had too much to drink. Sentence3: He couldn't get the friend's keys to work. Sentence4: The friend was too drunk to help. Sentence5: He had taken the wrong keys by accident.
[EX A]: Tim, Friend

[EX Q]: Sentence1: Jim was cold. Sentence2: He ran into his house and grabbed a sweatshirt. Sentence3: The sweatshirt was very warm and fuzzy. Sentence4: After a few minutes, he was too hot. Sentence5: Jim just couldn't get comfortable!
[EX A]:
Jim