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: Jane jogged often. Sentence 2: She decided to get new running shoes. Sentence 3: She got an expensive pair. Sentence 4: They turned out to be uncomfortable. Sentence 5: Jane returned to her old shoes instead. Choices: a. Improving my typing. b. Running Shoes.

b