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: John had to play a music show in an hour. Sentence 2: John couldn't find his guitar anywhere! Sentence 3: John started scavenging to look for his guitar everywhere. Sentence 4: John found the guitar in the last place he looked. Sentence 5: It was safe in his guitar case! Choices: a. John's Guitar. b. Mission Completed.

a