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: Barry loved going to the zoo. Sentence 2: Barry decided he would take his kids to the zoo today. Sentence 3: As they entered the zoo, Barry's kids ran to the elephant exhibit. Sentence 4: After that, they decided to look at the monkey exhibit. Sentence 5: Barry was glad that he brought his kids to the zoo today. Choices: a. Zoo Day. b. The Promotion.

a