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: Emma and Sara wanted to go for a walk. Sentence2: They decided to go to the store. Sentence3: They walked down the road. Sentence4: Then, they were at a store. Sentence5: There, they bought snacks.
A:
Sara, Emma