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: Mark was an honest soccer player who played by the rules. Sentence 2: His brother Gob however was a rotten kid who just wanted to win. Sentence 3: When Mark bested him in a one on one game Gob swore revenge. Sentence 4: During the rematch he tried tripping Mark but fell instead. Sentence 5: He still lost the game and was a sore loser who didn't shake hands. Choices: a. The sore loser. b. The Massage.

a