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: Kay has a test tomorrow. Sentence 2: She has not studied at all. Sentence 3: She decided to pull an all-nighter. Sentence 4: Kay did not hear her alarm go off. Sentence 5: Kay missed her test. Choices: a. Milk. b. Test.

b