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: Mario swept Carla off her feet by offering her a diamond ring. Sentence 2: She turned around the room as he held her close. Sentence 3: But when he hit the corner of a table, the ring fell. Sentence 4: It rolled on the floor. Sentence 5: And fell between the cracks of the floor. Choices: a. Diamond ring. b. Moving Dan.

a