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: Kelsey had dealt with dog hair all over her couch for years. Sentence2: Finally she'd had enough, and decided to buy a cover. Sentence3: She spent an hour in the store picking the perfect one. Sentence4: Kelsey's dog leapt on the couch as soon as the cover was on. Sentence5: But at least now she could easily clean up after him!
A:
Kelsey's dog, Kelsey