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: Peggy and Catherine were cousins. Sentence2: Catherine was very bossy. Sentence3: She had a horse she forbade Peggy to ride. Sentence4: One day Peggy rode it anyway. Sentence5: It shocked Catherine and knocked her down a peg.
A:
Peggy, Catherine