instruction:
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.
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: Tony went to the park to see friends. Sentence2: They found an open field to play in. Sentence3: They all played soccer and Tony was the goalie. Sentence4: Tony made a big save to help his team win. Sentence5: All his friends cheered Tony for his great save.
answer:
Tony, Friends

question:
Sentence1: Being a pizza delivery man, Harold knew everyone in town. Sentence2: He never thought much about the people he worked for, until one day. Sentence3: It was Harold's birthday and he was upset for having to work. Sentence4: The first house he arrived at, however, changed his mood. Sentence5: His customers had gathered as a surprise, thanking him for his work!
answer:
Harold, Customers, People