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: I had to learn how to water ski. Sentence 2: I first got up on two skis. Sentence 3: At first the turns were hard. Sentence 4: Then I had to learn how to deal with boat wakes. Sentence 5: It's tempting to keep holding the rope. Choices: a. The Horse Ride. b. Water Skiing.

b