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: Madison really wanted to buy a new car. Sentence2: She applied to work at different restaurants around town. Sentence3: One day a local restaurant hired her to be their new waitress! Sentence4: Molly worked very hard as a waitress and earned a lot of tips. Sentence5: A few months later she was able to use her tip money to buy a new car!

Ex Output:
Madison, Molly

Ex Input:
Sentence1: Todd has been in the hospital for many days. Sentence2: The doctors say there is sign of recovery. Sentence3: His family is planning for the worst. Sentence4: Later in the week Todd's doctor said he was pulling the plug. Sentence5: Todd was pronounced at at 6 pm today.

Ex Output:
Family, Doctors, Todd

Ex Input:
Sentence1: Lloyd sneezed loudly. Sentence2: The class got suddenly quiet. Sentence3: Lloyd laughed at the reaction. Sentence4: The class laughed with Loyd after a pause. Sentence5: The teacher thanked Lloyd for the comedy at the end of class.

Ex Output:
Teacher, Lloyd, Class