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: Joe has a big English test. Sentence 2: He is very anxious about it. Sentence 3: He stayed up all night studying. Sentence 4: When he got to class, his teacher canceled the test. Sentence 5: Joe was relieved. Choices: a. Test. b. Jeff gets promotion.
Output:
a