Detailed 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.
Q: Sentence1: The man put a plastic cover on his new couch. Sentence2: The cover kept the couch clean. Sentence3: Guests did not sit on the couch. Sentence4: One of the guests complained about the plastic. Sentence5: The man took the plastic cover off his couch.
A:
Guests, The man, One guest