Instructions: 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: Caroline tried to stop smoking many times. Sentence 2: Every time she did, she took on weight. Sentence 3: This time she made sure there wouldn't be a lot of food around. Sentence 4: So instead of eating she was exercising. Sentence 5: After five months she had quit smoking and was slim. Choices: a. A Spoonful of Sugar. b. Smoking or no smoking.
Output:
b