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: Jim was a great basketball player. Sentence 2: He always scored many points. Sentence 3: One day a friend challenged him to a friendly game. Sentence 4: Jim agreed and did not play as well as he thought. Sentence 5: Jim learned his skills were not always that great. Choices: a. Basketball. b. Grace's New Treadmill.

a