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: It was Rainer's first time seeing snow. Sentence2: She was very excited even though she was cold. Sentence3: She lay down in the snow with her mom. Sentence4: She moved her arms and legs up and down like her mom showed her. Sentence5: She thought the snow angels they made were beautiful.
A:
Angels, Rainer, Her mom