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.

[EX Q]: Sentence1: Hank practiced his guitar to play in a jazz band. Sentence2: He got on stage with the group for his first performance. Sentence3: Hank was very nervous but thought he'd done well. Sentence4: He looked into the audience to see what they thought. Sentence5: They clapped in approval at what he'd played.
[EX A]: Hank, The group, The audience

[EX Q]: Sentence1: My wife went to a party. Sentence2: They were selling cleaning supplies there. Sentence3: She liked it so much that she bought some. Sentence4: We tried it on the Windows and loved it. Sentence5: We then bought some more since we enjoyed it.
[EX A]: I (myself), Wife

[EX Q]: Sentence1: John was invited snowboarding by friends. Sentence2: He had never done that before. Sentence3: He decided to give it a try. Sentence4: The first time out he fell pretty badly. Sentence5: John decided to stop trying to snowboard.
[EX A]:
John, Friends