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: Tommy has a red balloon. Sentence2: It's his favorite color! Sentence3: But one day, the balloon lost it's air. Sentence4: Tommy was very sad. Sentence5: But he'll get a new balloon tomorrow, so it's not that bad.
answer:
Tommy

question:
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!
answer:
Jacob, Vet, Dog

question:
Sentence1: Sally was often busy with work, and began to feel lonely. Sentence2: She wanted some new friends, but wasn't sure where to look. Sentence3: She soon found an online chat room filled with interesting people. Sentence4: After a few days, Sally made 3 new friends online. Sentence5: Sally then met her friends in real life and they are now very close.
answer:
Friends, Sally, People