Q: 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.
Sentence1: Margaret got a twenty percent off coupon in the mail for sandals. Sentence2: She went to the store and picked out the ones she liked best. Sentence3: She got home and was emailed that they were on sale somewhere else. Sentence4: She took the sandals back to the store for a refund. Sentence5: And when she got home she ordered the same ones for $12 less.
A:
Margaret