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: Anna was on a diet. Sentence 2: The thing she missed most was soda. Sentence 3: One day she ordered a non-diet cola with her lunch. Sentence 4: The calories distressed her, but still she smiled. Sentence 5: It tasted so delicious! Choices: a. Soda. b. The Ski Man.
Output:
a