You will be given a definition of a task first, then some input of the task.
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'.

Sentence 1: Sara has a big English test tomorrow. Sentence 2: She has not studied at all. Sentence 3: Her test counts for half her grade. Sentence 4: Sara decided to pull an all- nighter. Sentence 5: When she got to school, she slept through her test. Choices: a. Test. b. Law.
Output:
a