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.
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Question: Sentence1: Ava was exhausted. Sentence2: She'd run across the soccer field five times. Sentence3: She was training to be a better player. Sentence4: She sat down to rest for a bit. Sentence5: Then she got up and ran again!

Answer: Ava

Question: Sentence1: Ken was a cook. Sentence2: Ken was given an order for a medium rare steak. Sentence3: Ken cooked up the steak nice and rare. Sentence4: He went to serve it to the customers. Sentence5: The customer told him they wanted it well done.

Answer: Customer, Ken, Customers

Question: Sentence1: Abe was always insulting people. Sentence2: People would get angry at him. Sentence3: They asked him why he wasn't nicer. Sentence4: Abe was sorry for how he was acting. Sentence5: From then on, Abe was nicer to everyone.

Answer:
Abe, People