You will be given a definition of a task first, then some input of the task.
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: All her life Elle was a big comic book fan. Sentence2: Year after year, she hoped for a chance to go to Comic Con. Sentence3: She really wanted to meet her favorite comic book artists. Sentence4: This year on her birthday, her mother gave her a plain white envelope. Sentence5: Inside were plane tickets to San Diego and tickets to Comic Con.
Output:
Mother, Elle, Comic book artists