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: Isabella took all the ingredients from the fridge to bake a cake. Sentence 2: She mixed them together. Sentence 3: When it was time to add the baking powder, her face fell. Sentence 4: She didn't have any. Sentence 5: She had to drive all the way to the market to finally finish her cake. Choices: a. Baking cake. b. Fur.

a