Q: 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: My coworker is a lawyer who used to be a cop. Sentence 2: She smoked a lot. Sentence 3: She stopped smoking when she got pregnant. Sentence 4: One day I saw smoking outside the building. Sentence 5: She said she took up smoking after her baby was born. Choices: a. Smoking. b. Matt's Picture.
A:
a