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: John decided to mow the grass on his yard. Sentence 2: He turned on mower and started to mow. Sentence 3: It went well till he did not reach the fence. Sentence 4: There was a hidden stone around the fence. Sentence 5: John broke his mower. Choices: a. A Broken Mower. b. Lumsk.

a