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: Dan has a biology test in the morning. Sentence 2: He decided to pull an all-nighter to study. Sentence 3: However, he got to class and fell asleep. Sentence 4: Luckily his teacher let him retake his test. Sentence 5: Dan made a perfect score. Choices: a. Biology Test. b. Christmas Eve.

a