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: Sarah began to feel ill. Sentence 2: She got dizzy at work and fainted. Sentence 3: When she went to the doctor she had bloodwork done. Sentence 4: Sarah was diagnosed with the flu. Sentence 5: Her boss made her take off work in order to get well. Choices: a. Puberty. b. Flu.

b