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: Joe needed a new car radio. Sentence 2: His was old and outdated. Sentence 3: So Joe looked online for a new one. Sentence 4: He found a good one and ordered it. Sentence 5: He loved his new car radio. Choices: a. Overeat. b. Car radio.

b