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: The kids were working hard in the yard. Sentence 2: They were building a giant snowman. Sentence 3: They could barely lift the head! Sentence 4: They decorated him with a carrot nose and some branches for arms. Sentence 5: He was a great addition to the yard. Choices: a. The Frog Foot. b. The Snowman.

b