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.

Example input: Sentence1: My dog was bored. Sentence2: I was working all day so I couldn't spend time with him. Sentence3: When I finished work I decided to play with my dog. Sentence4: He was so happy to finally have some fun! Sentence5: Alas, he fell sick and died.
Example output: I (myself), Dog
Example explanation: There is only two characters in given story, i.e., I (myself) and dog.
Q: 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.
A:
The audience, Fred