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: Paula lived in a rough neighbourhood. Sentence 2: Her best friends were tough but she wasn't. Sentence 3: When her friends weren't around, she felt very vulnerable. Sentence 4: Paula changed this by going to karate lessons. Sentence 5: Now, no one on the block messes with Paula. Choices: a. Self defence. b. The Pancakes.

a