Given the task definition and input, reply with output. 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'.

Sentence 1: My doctor told me that I had diabetes. Sentence 2: Wanting to live longer, I decided to get my diabetes under control. Sentence 3: I followed an exercise and nutrition program for that purpose. Sentence 4: By adhering to my weight loss program, I was able to lose weight. Sentence 5: Due to my hard work, I am no longer diabetic. Choices: a. Weight loss. b. New Store.
a