Definition: 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.
Input: Sentence1: Tonight was an open mic night at a bar. Sentence2: Kristen was going to perform for the very first time. Sentence3: She was extremely nervous. Sentence4: When it was time to perform, she tried to stay calm and do her best. Sentence5: Luckily, it went very well and everyone was a fan.
Output:
Everyone, Kristen