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: Bella the rabbit was eating clover in a field of flowers. Sentence 2: She was very happy until she noticed stormclouds in the distance. Sentence 3: The storm was quickly approaching and Bella needed to hide. Sentence 4: Bella dashed across the field as fast as she could. Sentence 5: Just in the nick of time Bella reached her burrow and was safe. Choices: a. Locked Out. b. Bella the Rabbit.

b