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: Lois pulled up next to a brand new Mustang on the road. Sentence 2: The driver of the Mustang asked her if she wanted to race. Sentence 3: Lois refused to race, worried she would get in trouble. Sentence 4: The driver of the Mustang laughed at Lois' answer. Sentence 5: He was still laughing when he drove away. Choices: a. Racing. b. Ice Cream.
Output:
a