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.

[Q]: 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.
[A]: John, John's daughter

[Q]: Sentence1: Tim had been trying to have a child with his wife for years. Sentence2: It was with great pride that he was now holding his newborn son. Sentence3: At the hospital, Tim could not help but grin. Sentence4: The nurses and doctors noticed this as well. Sentence5: Tim left the hospital, a changed man.
[A]: Nurses, Tim, Doctors, Newborn son, Wife

[Q]: Sentence1: Bob wanted to vote in this year's election. Sentence2: He went down to his local polling station. Sentence3: He registered when he arrived. Sentence4: He cast his vote in the ballot. Sentence5: He watched the results the next day.
[A]:
Bob