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: Ivan had a simple math test. Sentence 2: So he thought he could do every problem as quickly as possible. Sentence 3: He finished in a few minutes and confidently turned in his test. Sentence 4: And he was in a good mood the whole day. Sentence 5: But when he got his test score back, he was devastated. Choices: a. Rush. b. Cheap Chair.

a