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: Consider Input: Sentence1: Barry is a avid Madrid soccer fan. Sentence2: Barry knew that Madrid was going to play England today. Sentence3: Barry decided to find a local bar to watch the soccer game at. Sentence4: Once Barry arrived, he was shocked to see how packed it was. Sentence5: Barry was glad he got to watch the game at the bar.

Output: Barry, England, Madrid

Input: Consider Input: Sentence1: I was taking a long business trip one evening. Sentence2: I got terribly lost and my cell phone had died. Sentence3: It was dark and began to rain and I felt myself getting very anxious. Sentence4: I pulled into a gas station and asked for directions. Sentence5: In an hour I arrived safely at the hotel and fell asleep!

Output: I (myself)

Input: Consider Input: Sentence1: Francis had a bad cold. Sentence2: He went to visit his sister Kay in the nursing home anyway. Sentence3: Kay caught the cold. Sentence4: The cold turned into pneumonia. Sentence5: Kay is now in the hospital.
Output: Kay, Francis