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: I woke up feeling terrible. Sentence 2: It felt like I was punched in the stomach. Sentence 3: I could barely stand or walk. Sentence 4: I went to the emergency room. Sentence 5: By the time they saw me the pain was gone. Choices: a. Overdue Book. b. Punched.

b