Instructions: 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: Cindy's boyfriend was in a band. Sentence2: He invited Cindy to his house to listen to his band. Sentence3: Cindy noticed that the music was too loud. Sentence4: She did not want to seem awkward by covering her ears or telling them. Sentence5: When Jane arrived home, she noticed faint ringing in her ears.
Output:
Jane, Cindy, Boyfriend