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: Blair was getting ready for her final exams. Sentence 2: She stayed up late to study every night. Sentence 3: Her body was worn out and she got sick. Sentence 4: The week of exams she had a double ear infection. Sentence 5: Blaire learned part of test preparation was also getting rest. Choices: a. a tough lesson. b. Charger.
Output:
a