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: Carla was baking brownies. Sentence 2: She set them on the counter to cool off. Sentence 3: Her kids ran in and took half the brownies. Sentence 4: Carla walked back into the room. Sentence 5: Carla didn't know what happened to the brownies. Choices: a. The Zoo. b. Carla's Brownies.

b