Q: 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.
Sentence1: I used to wonder how me and my son's mother would break up. Sentence2: One winter evening, close to Christmas, I found out. Sentence3: She made me upset by calling a guy and I drug her out my front door. Sentence4: Next, she put dents in my new car with the heel of her shoe! Sentence5: So I called the police on her and we never spoke again.
A:
I (myself), Guy, Mother, Police, Son