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: Steve and his dad decided to play golf one morning. Sentence 2: His dad loved golf, but Steve thought he was the better player. Sentence 3: Steve told his dad that he would beat him for sure. Sentence 4: They played eighteen holes. Sentence 5: Steve's dad beat Steve by an impressive six strokes. Choices: a. Mother-Daughter. b. Golf.

b