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: Hannah was invited to a party last night. Sentence2: She asked her mom if she can go. Sentence3: Her mom immediately said no since the party has alcohol. Sentence4: Hannah swore that she wouldn't do anything. Sentence5: Her mom still refused to let her go.
A:
Hannah, Mom