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: Peter bought a chocolate candy bar at the grocery store. Sentence 2: He forgot it in his truck on a hot day while he was at work. Sentence 3: When he returned to his truck he found the melted chocolate. Sentence 4: It hand burst the package and melted into his air vents. Sentence 5: Peter's car smelled like chocolate for a while afterwards. Choices: a. Melting Point. b. The Truth Hurts.

a