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: The woman didn't buy food for her children. Sentence2: They were always hungry. Sentence3: One day the youngest child went next door. Sentence4: He asked the neighbors for some food. Sentence5: They all came over and had a feast.

Ex Output:
Neighbors, The woman, Youngest child, Children

Ex Input:
Sentence1: Jim was sledding with his friend Anthony. Sentence2: Anthony dared him to go down the big hill. Sentence3: Jim took up the dare and as he was going he fell out of the sled. Sentence4: Jim rolled a few times as the unmanned sled flew into the river. Sentence5: Jim was ok, and the two of them went home for the day.

Ex Output:
Anthony, Jim

Ex Input:
Sentence1: Gloria was bored on a rainy Sunday morning. Sentence2: She couldn't find anything that she wanted to watch on TV. Sentence3: She started to organize her closet, but that wasn't fun. Sentence4: Finally, Gloria resorted to watching funny cat videos online. Sentence5: She finally enjoyed her day.

Ex Output:
Gloria