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: Jenny's dad took her to the pound to pick out a kitten. Sentence2: She found the perfect kitten but there was a problem. Sentence3: Her kitten was in the same cage as a friend. Sentence4: She didn't want to break them up. Sentence5: She was delighted when her dad said they could take both home.
[EX A]: Jenny's dad, A friend, Jenny, A kitten

[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: Joe was hot one summer. Sentence2: He wanted to buy an air conditioner but could not afford one. Sentence3: Everyday he drove to the mall and stayed there until night time. Sentence4: Joe found a job at the mall. Sentence5: And he was able to buy an air conditioner later.
[EX A]:
Joe