Instructions: 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: One year I was very late to school most days. Sentence 2: I had a hard time waking up on time so I couldn't walk there in time. Sentence 3: I told them I was always late because of a medical reason. Sentence 4: They didn't believe me and required a doctor's note. Sentence 5: I tried harder to wake up on time after that and wasn't late again! Choices: a. Late. b. Confidence.
Output:
a