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: Irene entered a local singing contest, but she lost. Sentence 2: Her friends took her out for a few drinks to commiserate. Sentence 3: After a couple martinis, Irene felt better - much better. Sentence 4: She decided to get up and sing karaoke for the bar patrons. Sentence 5: To her joy, her audience clapped and cheered for her loudly! Choices: a. Karaoke. b. Broken Heater.

a