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: Kenny was a teacher at a local school. Sentence 2: His students weren't doing as well as they should have. Sentence 3: Kenny told his students he'd give them pizza if their grades improved. Sentence 4: The children did much better on their next exam. Sentence 5: Kenny treated the children to pizza. Choices: a. Record. b. The Incentive.

b