You will be given a definition of a task first, then some input of the task.
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'.

Sentence 1: The music suddenly blared through the speakers. Sentence 2: Sam took that as his cue to grab the mic. Sentence 3: He sang his favorite song first. Sentence 4: Then he sang his fiance's favorite song. Sentence 5: The audience applauded loudly as he left the stage. Choices: a. Karaoke Night. b. Pool Day.
Output:
a