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: Shelby adopted a great dog from the local shelter. Sentence2: His one bad habit was that he helped himself to things on the counter. Sentence3: Her friend told her to tape bubble wrap along the edge. Sentence4: Dogs usually don't like the feel or sound of bubble wrap. Sentence5: Within a week, her dog was no longer counter-surfing.
A:
Dog, Friend, Shelby