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: Marie was stuck in traffic and playing a game on her phone. Sentence2: Someone tapped on her window and she recognized a cop. Sentence3: He told her to stop playing and pay attention. Sentence4: She apologized and pocketed her phone. Sentence5: She regretted it as it took an hour for the traffic to move again.

Output: Cop, Marie

Input: Consider Input: Sentence1: Jill thought she was the best basketball player. Sentence2: She was convinced she would win the most valuable player award. Sentence3: She was excited for the awards banquet. Sentence4: Jill's coach did not call her name for the award. Sentence5: She was devastated.

Output: Jill, Jill's coach

Input: Consider Input: Sentence1: Sue thought the county yard sale was the solution to spring cleaning. Sentence2: She filled her van with junk and donated it to the sale. Sentence3: Sue came home feeling like she'd accomplished something. Sentence4: Then she saw her husband's truck pull in loaded with her stuff. Sentence5: Her husband got out, telling Sue about the great buys at the yard sale
Output: Sue