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: Annie challenged her friend Todd to a hot dog eating contest. Sentence 2: The first one to eat ten hot dogs in fifteen minutes would win. Sentence 3: Todd practiced timing himself eating ten hot dogs in fifteen minutes. Sentence 4: It took a lot of mistrials before he got it right. Sentence 5: Todd won the contest. Choices: a. Octopus. b. The Contest.

b