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: Cabot asked her dad to put up a swing in the yard. Sentence 2: They went out together and chose a tree to hang it from. Sentence 3: Her dad cut out a round seat with a hole in the middle. Sentence 4: They ordered a twenty five foot rope online. Sentence 5: Now she swings so high it feels like flying. Choices: a. The Yogurt. b. Building a swing.

b