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: Beth was a middle school student. Sentence2: She wanted to be a high school cheerleader. Sentence3: She began practicing. Sentence4: She learned how to stretch correctly. Sentence5: She saw her flexibility increase and she made the team as a freshman.
Output:
Middle school student, Beth, High school cheerleader, Team