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: Julius was rather chubby when he was a child. Sentence 2: He lost weight in high school. Sentence 3: He then make the decision to help other people. Sentence 4: Julius became a trainer. Sentence 5: He then made a difference in people's lives. Choices: a. Trainer. b. Christmas pictures.

a