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: When I was little, I had a book. Sentence2: It was my favorite, but the pictures scared me. Sentence3: I asked my mom to hide the scary book. Sentence4: Later, I found the book in her closet. Sentence5: I secretly would go to the closet to read the book when she was out.
A:
I (myself), Mom