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 tourists went to an aviary. Sentence 2: They saw their favorite birds. Sentence 3: There was a show for one of them. Sentence 4: The toucan would talk to them. Sentence 5: They loved to see the show. Choices: a. Car Wash. b. Toucan.

b