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: Tim was watching a movie at the movie theater. Sentence2: He bought a large popcorn to enjoy throughout the movie. Sentence3: During the middle of the movie, he spilled his popcorn. Sentence4: The popcorn landed on a man's head in front of him. Sentence5: Tim apologized to the man immediately after.
Output:
Tim, A man