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: Consider Input: Sentence1: Jane loved going dancing. Sentence2: Her husband didn't know how. Sentence3: Jane convinced him to take dance lessons. Sentence4: They both went twice a week. Sentence5: After a while Jane's husband was a decent dancer.

Output: Jane, They both, Husband

Input: Consider Input: Sentence1: Bonnie had been hiking all day. Sentence2: She went home to take a shower. Sentence3: She couldn't wait to get all the dirt off of her. Sentence4: She turned the knob but nothing happened. Sentence5: The water had been shut off!

Output: Bonnie

Input: Consider Input: Sentence1: Tom worked and Becky was his supervisor. Sentence2: Tom always did his best work. Sentence3: Tom always did good work. Sentence4: Becky was mean and would berate Tom for amusement. Sentence5: Tom got upset and quit.
Output: Becky, Tom