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: Jill was sick with the flu and called out of work. Sentence2: While she was home her cousin stopped by asking her to watch her dog. Sentence3: She agreed reluctantly and the dog was allowed in. Sentence4: Bored and sick, Jill managed to teach it to bring the thermometer. Sentence5: She recovered quickly only to quit her job and become a dog trainer.
A:
Jill's dog, Jill, Cousin