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 bought a copy of The Blue Dahlia ten years ago. Sentence 2: I never opened up the dvd. Sentence 3: This month, my wife went away to visit our daughter. Sentence 4: As I was all alone, I opened up the DVD. Sentence 5: I watched the movie for two hours and was happy. Choices: a. The Blue Dahlia. b. Ex.

a