Detailed Instructions: 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: Carrie a seven year old girl always wanted a puppy. Sentence2: Her parents believed she was too young for such responsibility. Sentence3: They soon realized there little girl was growing up. Sentence4: They also realized she was ready for more responsibility. Sentence5: They took her to the pet shop to buy Carrie her very first puppy.
A:
Parents, Puppy, Carrie