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: The gym class always played interesting games. Sentence 2: They decided to try badminton. Sentence 3: They hit the birdie over the next, back and forth. Sentence 4: Soon, they were all very good at the game. Sentence 5: The games got very competitive and fun. Choices: a. The Tie. b. Badminton.

b