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 was calling up a friend. Sentence 2: I hated using the phone. Sentence 3: I hated the phone because I hated my voice. Sentence 4: I decided to just close my eyes and pretend I was talking in person. Sentence 5: That made me feel very comfortable on the phone. Choices: a. Dust. b. Talking on the phone.

b