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 man saw a friend at a coffee shop. Sentence 2: He challenged his friend to a game of chess. Sentence 3: His friend agreed. Sentence 4: His friend offered a bet. Sentence 5: They played a game for money. Choices: a. Chess. b. Peter's peppers.

a