Given the task definition and input, reply with output. 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'.

Sentence 1: Tom found some cold pizza in the fridge. Sentence 2: He decided to microwave it. Sentence 3: Tom put it in for too long. Sentence 4: Everything overheated. Sentence 5: Tom burned his tongue pretty badly on it. Choices: a. Midlife Crisis. b. Overheated.
b