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: Jim's son is afraid to fly. Sentence2: He's seen too many stories about plane crashes. Sentence3: He can't sleep the night before they are set to fly to Denver. Sentence4: But by the time he gets on the plane he is exhausted. Sentence5: He is so tired that he sleeps all the way through the flight.
[EX A]: Jim's son

[EX Q]: Sentence1: Galen's father loved sailboats. Sentence2: Galen never had time to learn to sail. Sentence3: One day, he decided that he wanted to try it out. Sentence4: Galen asked his father to teach him to sail. Sentence5: He now has a new favorite hobby.
[EX A]: Galen, Father

[EX Q]: Sentence1: Two families went out to eat a fancy dinner. Sentence2: When the check came, the waiter placed it between the two fathers. Sentence3: One father grabbed it and placed a stack of money in it. Sentence4: The other father grabbed it and ripped the money. Sentence5: He told the other man that his money was no good here.
[EX A]:
Waiter, Father, Fathers, Families, Other father