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: Tom was at the drive through. Sentence 2: They were taking a long time. Sentence 3: Tom was frustrated. Sentence 4: The workers apologized and gave him free food. Sentence 5: Tom was satisfied with the arrangement. Choices: a. Leaving the Lights On. b. Free Food.
Output:
b