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: Cecil was mowing his lawn. Sentence 2: He discovered a huge mound of ants in the corner of his lawn. Sentence 3: Cecil went to the store and bought ant poison. Sentence 4: He proceeded to poison the ants. Sentence 5: The ants were gone within a few days. Choices: a. Mom. b. The Ant Pile.

b