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: One time I was walking along the sidewalk to the store. Sentence 2: I saw a man on the corner standing between two poles. Sentence 3: I wondered what he was doing and slowly began to realize. Sentence 4: A small puddle was forming on the ground as he peed publicly. Sentence 5: Now I avoid stepping on any liquid substance on the sidewalk! Choices: a. Gotta go right now. b. Whiteout.

a