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: Blake needed new running shoes. Sentence 2: He told his mom. Sentence 3: She went shopping for him. Sentence 4: She bought him the ugliest running shoes ever. Sentence 5: Blake decided to always do his own shopping. Choices: a. Cow. b. Shoes.

b