Definition: 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.
Input: Sentence1: Stacy was traveling through France with a tour group. Sentence2: She stopped in a small restaurant one day on the trip. Sentence3: She ordered a small soda and waited. Sentence4: The waiter came back and Stacy asked for ice in her soda. Sentence5: When the waiter returned he slammed the drink down and stormed off.
Output:
The waiter, Group, Stacy