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: My friends and I saw an expensive coat at a store. Sentence 2: We split the price and bought the coat. Sentence 3: We decided to have an arm wrestling contest to see who would keep it. Sentence 4: The contest lasted two hours. Sentence 5: After the two hours, the coat and the contest were both mine. Choices: a. The Nice Coat. b. The ostrich.

a