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'.
Q: Sentence 1: Mary was giving a bath to her baby. Sentence 2: She accidently slipped in the bathroom. Sentence 3: She could not stand up. Sentence 4: Fortunately, her husband came home from work earlier. Sentence 5: He called the ambulance. Choices: a. Nina's New Nightmare. b. A Bathroom Accident.
A:
b