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: Burt was very proud of his lawn. Sentence 2: He watered it every day and kept it in pristine shape. Sentence 3: That's why he didn't like his neighbor's dog who sniffed around. Sentence 4: He booed him away and didn't often succeed. Sentence 5: Until he gave him food and kept him at bay. Choices: a. For the love of a lawn. b. Working for a reason.

a