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: Tony decided to make lemonade the old-fashioned way. Sentence2: He brought out some lemons, water, and sugar. Sentence3: He squeezed the lemons until he thought his hands would fall off. Sentence4: He then added some water, and a generous amount of sugar. Sentence5: Tony tasted his lemonade and decided he wanted to be a chef someday.
answer:
Tony

question:
Sentence1: Alex had a young son. Sentence2: The boy was three years old. Sentence3: He still wasn't speaking. Sentence4: Alex told the doctor about his speech issue. Sentence5: Alex's son started to see a speech therapist.
answer:
Speech therapist, Alex, Young son, Doctor

question:
Sentence1: Sarah was in the first grade when she began to dislike boys. Sentence2: During that year she was held face down in the snow by a boy bully. Sentence3: Through the Year's following she was teased a lot by boys. Sentence4: She began to think all boys were rude and mean. Sentence5: Not anymore, because now she teaches her son how not to be a rude boy.
answer:
Sarah, Bully, Son