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 decided to go to the casino one day. Sentence 2: He didn't have a lot to spend but he put a dollar in the machine. Sentence 3: He pulled the handle and waited to see what he did or didn't win. Sentence 4: All of a sudden, three sevens showed up and bells started ringing. Sentence 5: Joe had won the jackpot and was very happy! Choices: a. The Big Win. b. Excuses.

a