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.
Input: Sentence1: Jake was nervous about a meeting at work the next day. Sentence2: He decided to have a drink to relax. Sentence3: Unfortunately Jake kept drinking. Sentence4: He was really hung over the next day. Sentence5: He wound up throwing up during the meeting.
Output:
Jake