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 band marched down the street. Sentence 2: The conductor tripped on his feet. Sentence 3: The band stopped. Sentence 4: Some of the band members laughed. Sentence 5: The conductor blushed in embarrassment. Choices: a. Headache. b. Clumsy Conductor.

b