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: Jill loved butter. Sentence 2: But she noticed that she was gaining weight. Sentence 3: So she made efforts to use less butter when she cooked. Sentence 4: But she couldn't resist it. Sentence 5: So she decided to eat just butter despite her weight. Choices: a. Buttery. b. New Wallpaper.

a