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: Chad was helping his grandparents clean out their attic. Sentence 2: He found a small chest in the corner of the attic. Sentence 3: Chad brought it down to his grandfather. Sentence 4: His grandfather's eyes lit up when he saw the chest. Sentence 5: Old photographs from decades past filled the old chest. Choices: a. The Lillies. b. The Chest.

b