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: Peter and Derek went golfing. Sentence 2: On the last hole they tried to get a good tee off. Sentence 3: They hit about twenty balls. Sentence 4: They found most of them. Sentence 5: They finally were satisfied with a shot. Choices: a. Mulligans. b. Trade.

a