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: Tom was trying to play videogames online. Sentence 2: He kept noticing lag. Sentence 3: Tom called his internet provider. Sentence 4: They told him they were having problems on their end. Sentence 5: Tom was annoyed but couldn't do anything about it. Choices: a. Slow Internet Speed. b. Lost dog.

a