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.
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Question: Sentence1: It was Jordan's birthday. Sentence2: His mother was buying him a cake. Sentence3: Jordan's mother bought a strawberry cake. Sentence4: He had wanted a chocolate cake. Sentence5: Jordan had a tantrum about the cake.

Answer: Jordan, Jordan's mother

Question: Sentence1: Sean was in a bad mood. Sentence2: And he realized that his room was a mess. Sentence3: He decided to clean up and organize everything. Sentence4: And his room looked beautiful. Sentence5: And Sean was in a bad mood less often.

Answer: Sean

Question: Sentence1: I was on a boat with a friend. Sentence2: We were going on a fishing spree. Sentence3: He threw his weight in the water. Sentence4: After several minutes, a small shark came and dragged the fishing pole. Sentence5: I held on to my friend so he wouldn't fall in the water.

Answer:
I (myself), Shark, Friend