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: Jake wanted to join little league. Sentence2: He had asthma and his parents were worried. Sentence3: He convinced them to let him. Sentence4: He had a lot of fun. Sentence5: His parents decided to trust him more.
[A]: His parents, Jake

[Q]: Sentence1: Charlie and Susan went on a date. Sentence2: They decided to eat at a nice restaurant. Sentence3: The two ordered a bottle of wine. Sentence4: Charlie ordered food for them both. Sentence5: The couple ate and drank and enjoyed themselves.
[A]: Charlie, Susan

[Q]: Sentence1: Yesterday someone knocked at my door. Sentence2: It was a person trying to sell knives. Sentence3: He wanted to demonstrate them to me. Sentence4: I was obviously uncomfortable letting in a stranger with knives. Sentence5: He continued to try as I shut the door.
[A]:
I (myself), Someone