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: We moved to a new house during the fall of one year. Sentence2: The ground was full of leaves and under the leaves were snakes. Sentence3: There were so many that my mom decided to burn the leaves in piles. Sentence4: It was scary because we didn't want to walk outside. Sentence5: From then on I had nightmares about snakes in my yard chasing me.
A:
Snakes, Mom