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 clouds had moved out of the area. Sentence 2: The sun was shining brightly. Sentence 3: The kids ran around outside and enjoyed the great weather. Sentence 4: They played until the sun set. Sentence 5: They couldn't wait for another sunny day! Choices: a. The Sun. b. The Professor.

a