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: Larry was getting married in two weeks. Sentence2: He had just one problem. Sentence3: He didn't have a best man! Sentence4: One day at work he saw an old best friend from college. Sentence5: The two caught up together and Larry asked him to be his Best Man.
Output:
Best man, Larry, Old best friend