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: Dean ordered a chicken sandwich from the restaurant. Sentence 2: The cashier gave him the order. Sentence 3: When Dean took a bite of the sandwich, he yelled. Sentence 4: One of his front teeth came out. Sentence 5: He found out that the chicken was overcooked. Choices: a. Jack's Fence. b. Hard as a Rock.

b