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 father was out of work and didn't know what to do. Sentence 2: So I suggested he open up a food truck to sell our cuisine. Sentence 3: He loved the idea, so he bought a food truck and started learning. Sentence 4: My dad made countless dishes for us to try and which we liked. Sentence 5: We all loved it, and now so do all of his customers daily! Choices: a. Track Trip. b. The idea.
b