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.

[Q]: Sentence1: Kate was sipping on orange soda and sketching in her sketch book. Sentence2: Her brother and his friend came in the room. Sentence3: They were throwing a football around. Sentence4: It landed and knocked over Kate's soda. Sentence5: The orange soda ruined Kate's drawing.
[A]: Kate, Friend, Brother

[Q]: Sentence1: William moved into his first apartment one day. Sentence2: He did not have any furniture and needed to get some. Sentence3: He looked online and found a man giving away free furniture. Sentence4: He drove to the man's house and happily took the new items. Sentence5: When he got home, he furnished his house and it looked great.
[A]: William, A man

[Q]: Sentence1: We had a lot of mice in 2011. Sentence2: We tried sticky traps but they sometimes escaped. Sentence3: We tried poison bait but they rarely ate them. Sentence4: I figured out snap traps work if they are under something. Sentence5: I killed several mice that way.
[A]:
I (myself)