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: Molly was at the zoo with her parents. Sentence 2: She really wanted to see the penguins before they left. Sentence 3: The exhibit was about to close! Sentence 4: Her and her parents ran across the zoo in a hurry. Sentence 5: Luckily, they made it to them in time. Choices: a. The zoo.. b. Lunch.

a