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: Tracy wanted to surprise her best friend with a cake. Sentence 2: She found a recipe for chocolate cake on the internet. Sentence 3: Tracy gathered her ingredients together and started baking. Sentence 4: She followed the recipe exactly, but the cake fell flat. Sentence 5: Tracy threw away the cake and started over again. Choices: a. Tracy bakes a cake. b. Ross beats everyone.

a