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.

[EX Q]: Sentence1: Alan was the coach of a little league baseball team. Sentence2: His son was on the team. Sentence3: Alan was very excited because the team was doing well. Sentence4: He chose to enter them into the little league World Series. Sentence5: Alan took his team to the World Series and they won.
[EX A]: His son, Alan, Team

[EX Q]: Sentence1: The Greens live in Atlanta. Sentence2: Last week, they traveled to Canada. Sentence3: There was a lot of snow and ice. Sentence4: Wind chills were well below zero. Sentence5: The Greens are happy to be back in warm Atlanta!
[EX A]: Greens

[EX Q]: Sentence1: Amy was in class watching video's on YouTube. Sentence2: The teacher called on her to answer a question. Sentence3: Amy was confused since she hadn't been paying attention. Sentence4: Amy gave the first answer that came to mind. Sentence5: The whole class laughed at Amy since it was the wrong answer.
[EX A]:
Amy, The whole class, The teacher