Definition: In this task, you're given five sentences, numbered 1 through 5, and two options a and b for possible titles for the story. Your job is to choose the title that better fits the story. Indicate your choice by 'a' or 'b'.
Input: Sentence 1: Hunter asked his mom to tell him a story. Sentence 2: She went on for about an hour about her childhood. Sentence 3: It wasn't long before he was completely bored. Sentence 4: He began to fall asleep as she went on. Sentence 5: Eventually, he fell fast asleep. Choices: a. Going Crazy. b. Story.

b