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: Karl was sick with a flu. Sentence 2: He was prescribed some pills for the symptoms. Sentence 3: Unfortunately Karl took the wrong ones. Sentence 4: He felt even worse. Sentence 5: Karl had to go to the hospital over it. Choices: a. Wrong Medicine. b. Taking Selfies.

a