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: Stanley was typing up a report for work. Sentence 2: It was a long report and the deadline was close. Sentence 3: Before he finished, his computer froze and crashed. Sentence 4: Stanley panicked and thought he lost his work. Sentence 5: Fortunately, Stanley backed up his work on a USB drive. Choices: a. Stanley's Computer. b. Losing stock.

a