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: Tom was in the shower. Sentence2: He heard someone knocking at the door. Sentence3: He rushed to the door. Sentence4: He only had a small towel. Sentence5: He was embarrassed but answered the door.

Answer: Someone, Tom

Question: Sentence1: Kelly was out for a jog. Sentence2: She loved jogging in the woods. Sentence3: As she was jogging however, she ended up tripping. Sentence4: When she tripped she skinned her knee. Sentence5: Kelly had to get a band aid.

Answer: Kelly

Question: Sentence1: Charles rented a room in May's house. Sentence2: One day, Charles had an urge to try his luck in Vegas. Sentence3: He was very lucky at dice, making six thousand his first night. Sentence4: He stayed in Vegas for two weeks, gambling, making $80,000. Sentence5: He came home and someone was in his place, May rented his room out.

Answer:
May, Someone, Charles