Detailed Instructions: 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.
Q: 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.
A:
Driver of ice cream truck, Mary