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.
Input: Sentence1: My cat was scared when we moved. Sentence2: He was a mostly outside cat. Sentence3: We took him outside. Sentence4: But he crawled low to the ground. Sentence5: My mom thought he smelled the dogs.
Output:
I (myself), Dogs, Mom, Cat