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: Tom woke up not feeling well. Sentence 2: He ended up throwing up. Sentence 3: He also had a fever. Sentence 4: He found out he had the flu. Sentence 5: Tom was very unhappy about that. Choices: a. Nancy Goes Exploring. b. Getting the flu.

b