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: Bob's video game system stopped working. Sentence 2: Bob called customer support. Sentence 3: The agent asked him what the problem was. Sentence 4: Bob followed his advice. Sentence 5: Bob's console started working again. Choices: a. Customer Support. b. Apple.

a