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: The Chinese eat fermented eggs, called 100 year old. Sentence 2: The egg white turns gray and the white is black. Sentence 3: The egg tastes very sulphurous. Sentence 4: I had two 100 year old eggs once at my brother's. Sentence 5: I got sick afterward. Choices: a. 100 Year Old Egg. b. Child Care.

a