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: One day Sally went to the beach with her mother. Sentence2: Sally went straight to the largest pile of sand. Sentence3: Sally did not see the large wave coming towards her. Sentence4: Sally was hit by the wave and pushed into the pile of sand. Sentence5: From then on, Sally always watched the waves carefully.
A:
Sally, Her mother