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: Ray was overweight. Sentence 2: And he knew that people secretly made fun of him at school. Sentence 3: So he tried to eat healthier food and exercise. Sentence 4: And eventually, he lost 20 pounds. Sentence 5: During graduation, everyone was impressed by Ray. Choices: a. Stressful Lecture. b. Overweight.

b