Detailed 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.
Q: Sentence1: Jack really wanted to be on the baseball team. Sentence2: He practiced for an hour every day with friends. Sentence3: On the day of tryouts, he impressed the coaching staff. Sentence4: They asked him to join the team after hitting three home runs. Sentence5: Jack smiled when they handed him his uniform and practice schedule.
A:
Friends, Jack, Coaching staff, Baseball team