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: I decided one day that I needed a car. Sentence 2: So I took the bus to the dealership. Sentence 3: While there I was approached by a salesman. Sentence 4: He made me an offer I couldn't refuse. Sentence 5: So I drove away in a new car. Choices: a. Fred sells car. b. Buying a car.

b