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: Tom was out running. Sentence2: He twisted his foot in a weird way. Sentence3: He got an x-ray but nothing was broken. Sentence4: Tom still felt weird. Sentence5: Eventually they figured out he had a torn ligament.
Output:
Tom