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 cabinet fell over. Sentence 2: It was very heavy. Sentence 3: Everybody wondered how it fell. Sentence 4: Someone admitted to pushing it. Sentence 5: The mystery was solved. Choices: a. fell. b. tied.

a