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.

Ex Input:
Sentence1: After failing at employment and education, Mike felt lost. Sentence2: He called his parents for help who told him to move back in. Sentence3: Mike's parents were very worried and decided to send him to therapy. Sentence4: Mike then began to see a psychiatrist a few times a week. Sentence5: After the therapy, Mike began to feel better in life.

Ex Output:
Mike, Mike's parents, Psychiatrist

Ex Input:
Sentence1: Jane was jogging. Sentence2: It had just rained. Sentence3: The ground was slippery with leaves. Sentence4: She slipped on one and broke her leg. Sentence5: She had to call an ambulance for help.

Ex Output:
Jane, Slippery, Broke, Rain, Ambulance

Ex Input:
Sentence1: Will had lunch with a friend at a local eatery. Sentence2: The following day, Will began to urinate blood! Sentence3: Will went to the hospital to get checked out. Sentence4: They ran tests to determine what was wrong with Will. Sentence5: They found that Will had gotten severe food poisoning from the eatery.

Ex Output:
Will, The hospital, A friend