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: Joe lost to his friend at ping pong. Sentence 2: Joe was devastated that he lost. Sentence 3: So he practiced at ping pong and got better. Sentence 4: Him and his friend played a month later. Sentence 5: Joe defeated his friend and was glad to win. Choices: a. Ping Pong. b. night of.

a