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: Tom was walking home from work. Sentence 2: There was a protest going on at the same time. Sentence 3: They were marching in the same direction. Sentence 4: Tom was swept up as part of it. Sentence 5: It took him minutes of struggling to get back out. Choices: a. Worn Out Shoes. b. The Protest.

b