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: Michael wanted to visit a candy store. Sentence 2: He hasn't been to a candy store since he was a kid. Sentence 3: He spent time looking at all the different candies the store offered. Sentence 4: He ended up spending fifty dollars all on candy. Sentence 5: By the end of the week, Michael was already sick of candy. Choices: a. Tooth Pain. b. Candy Store.

b