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: Mary loves to buy ice cream from the Ice Cream Truck. Sentence2: One day Mary bought a snow cone from the truck. Sentence3: She was enjoying her snow cone. Sentence4: Unfortunately Mary accidentally dropped her cone. Sentence5: The driver of the Ice cream Truck was nice and gave Mary another one.

Ex Output:
Driver of ice cream truck, Mary

Ex Input:
Sentence1: Today we had breakfast at 10:30. Sentence2: My wife went to DD to buy coffee and croissants. Sentence3: We had oatmeal and blueberries as well. Sentence4: We have a coffeemaker but prefer DD coffee. Sentence5: It was a nice breakfast.

Ex Output:
I (myself), Wife

Ex Input:
Sentence1: Daniel loved to go to the cinema. Sentence2: He loved watching many new movies. Sentence3: One day, he did not have a ride to the movies. Sentence4: He became sad because it was his favorite movie. Sentence5: David was forced to take the public bus to the cinemas.

Ex Output:
Daniel, David