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: Joey wanted to see what happened if you put metal in a microwave. Sentence 2: He put a metal spoon in and turned it on. Sentence 3: Sure enough, it started sparking and zapping all over the place! Sentence 4: Unfortunately for Joey, his parents also heard the commotion. Sentence 5: After seeing what was happening, they grounded him for three days. Choices: a. The Cabin. b. Metal in a Microwave.

b