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: A doctor came in to give her a shot in the back. Sentence 2: It made her numb from the waist down. Sentence 3: She could no longer feel anything. Sentence 4: The contractions were getting stronger. Sentence 5: She relaxed, feeling at peace. Choices: a. Mexican Food. b. Shots.
b