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: Rick had a test coming up. Sentence 2: He studied hard. Sentence 3: He still felt unprepared. Sentence 4: He said a prayer. Sentence 5: He aced the test! Choices: a. Prayer. b. Dead Cat.

a