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: John hated spinach as a child. Sentence2: John's daughter refused to eat spinach. Sentence3: John ate spinach in front of his daughter. Sentence4: His daughter ate it after he did. Sentence5: John eats spinach for his daughter's sake.
answer:
John, John's daughter

question:
Sentence1: Troy had not seen his family in years. Sentence2: Troy had been living in another country. Sentence3: He longed to see his family. Sentence4: He bought a plane ticket. Sentence5: He visited his family on Thanksgiving.
answer:
Troy, Family

question:
Sentence1: Mike was at a burger restaurant. Sentence2: And he ordered a cheeseburger and a milkshake. Sentence3: But he noticed that there was hair in his burger. Sentence4: So he told the waiter about it. Sentence5: Mike wasn't given a new burger and he left.
answer:
Waiter, Mike