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.

Sentence1: Remy was on a date with a girl he really liked. Sentence2: He was excited to get to know her. Sentence3: At the end of the night, he tried to kiss her. Sentence4: He accidentally feel and knocked her over. Sentence5: They didn't go out again.
Remy, Girl, Remy's date

Sentence1: Alfredo realizes that his stereo system at home is getting old. Sentence2: He decides to look for a replacement. Sentence3: Alfredo buys a great stereo system on sale at a local store. Sentence4: He sets it up at home and it sounds great! Sentence5: Alfredo feels happy now that he has a new stereo system at home.
Alfredo

Sentence1: John went to the horse races last weekend. Sentence2: He decided to bet on them. Sentence3: He started winning and bet even more. Sentence4: Eventually he lost everything he had won. Sentence5: He considered it breaking even and went home.
John