You will be given a definition of a task first, then some input of the task.
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.

Sentence1: My old basketball coach wanted us to go to camp in the summer. Sentence2: We would go there and they would help us with the basics. Sentence3: They would try and tell us we should hold the ball like it is a pizza. Sentence4: By holding it like that we would be in the right form. Sentence5: We had a lot of fun, and learned a lot of good habits.
Output:
Coach