TASK DEFINITION: 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.
PROBLEM: Sentence1: Barry was excited to take his daughter to the park. Sentence2: However, Barry figured since it was Sunday, it would be empty. Sentence3: Barry certainly guessed wrong! Sentence4: Barry decided to take his child to another nearby park. Sentence5: Barry was glad the park was empty, and he could play with his child.

SOLUTION: His daughter, Barry

PROBLEM: Sentence1: Diana sacrificed her sleep to study for her math exam. Sentence2: At one moment, she fell asleep on her table. Sentence3: Diana's mom woke her up in the morning. Sentence4: Diana got mad when she found out that she's late to her exam. Sentence5: She also missed it since there was several traffic on the road.

SOLUTION: Diana, Diana's mom

PROBLEM: Sentence1: My husband has decided he wants to be a stay at home dad. Sentence2: We don't have any kids. Sentence3: All we have is two cats. Sentence4: He plays with them all day and calls them Laurel and Hardy. Sentence5: I can't believe I married this man.

SOLUTION:
Dad, My husband, I (myself)