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: Lyndi loved to go shopping with her daughters. Sentence 2: Her favorite store was Walmart. Sentence 3: She would go to Walmart with the girls to buy them clothes. Sentence 4: They liked trying on different outfits. Sentence 5: They picked six different outfits each and bought them for school. Choices: a. The twins. b. Shopping.

b