Instructions: 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 went shopping today. Sentence 2: He was unsure of what he wanted. Sentence 3: He visited a few stores. Sentence 4: There was a lot of things he considered. Sentence 5: He decided on a new book. Choices: a. The Allergy. b. Shopping trip.
Output:
b