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: It was sunny when Tim drove to work. Sentence 2: He decided to leave his convertible top down. Sentence 3: While at work the weather changed. Sentence 4: It started to storm and rain. Sentence 5: Tim had to run out and put the top back up. Choices: a. Lost Change. b. The Convertible.

b