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: Andrea was at the mall with her friends. Sentence2: She saw a soft hooded sweatshirt that she fell in love with. Sentence3: She didn't have much money and thought about stealing it. Sentence4: In the dressing room, she ripped off the tags. Sentence5: Then she tucked it away and hurried out of the mall.

Ex Output:
Andrea, Her friends

Ex Input:
Sentence1: Michelle decides to skip some rocks at the pond. Sentence2: She is impressed by how far they skip. Sentence3: Some of the rocks go halfway across the pond. Sentence4: Later on she goes back home. Sentence5: Michelle is happy the went to the pond to skip rocks.

Ex Output:
Michelle

Ex Input:
Sentence1: Iva was pregnant and had a craving for sweets. Sentence2: She drove to the local ice cream shop. Sentence3: She decided on a caramel sundae, which she quickly ordered. Sentence4: It looked so delicious when it was served up for her. Sentence5: Iva ate the sundae right there at the counter!

Ex Output:
Iva