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: On opening night of the play, Fred forgot his lines. Sentence2: Since he had a minor part, it was not a big deal. Sentence3: Fred made up a line on the spot to keep the action going. Sentence4: The audience did not notice his mistake. Sentence5: Fred like the new line so much he used the the next day.
Output:
The audience, Fred