Given the task definition and input, reply with output. 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'.

Sentence 1: Julia was baking cookies. Sentence 2: She was adding things to the mixer. Sentence 3: An egg slipped and the whole thing fell into the mixing bowl. Sentence 4: It made bits of egg shell mix in with the batter. Sentence 5: She yelled and threw the batter away. Choices: a. Julia's Cookies. b. The Snacks.
a