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'.
Q: Sentence 1: Ryder and Sadie went to a winery on a hot July day. Sentence 2: They bought a case of wine bottles. Sentence 3: Ryder and Sadie put the wine in their trunk. Sentence 4: While they were driving they heard something hitting the trunk. Sentence 5: The wine was exploding in the trunk because it was so hot! Choices: a. Cork Popping. b. Sunburn.
A:
a