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: Jimmy woke up early. Sentence2: As he ate breakfast, he read the note from him mom to mow the yard. Sentence3: It was already getting hot so he went into the garage for the mower. Sentence4: After gassing it up, he mowed the backyard quickly. Sentence5: He got to have a treat for finishing his chore.
[EX A]: Jimmy, Mom

[EX Q]: Sentence1: Jacob noticed his dog was whining. Sentence2: Jacob investigated and found his dog's leg hurt. Sentence3: He took the dog to see the vet. Sentence4: The vet made a cast to set the hurt leg. Sentence5: Within a few weeks, Jacob and his dog were playing again!
[EX A]: Jacob, Vet, Dog

[EX Q]: Sentence1: Greg and Dana loved to camp. Sentence2: They went to their friends cabin. Sentence3: They fished and had bonfires. Sentence4: They stayed out late. Sentence5: They had lots of good times.
[EX A]:
Greg, Friends, Dana