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: Cayla recently got a betta fish. Sentence 2: She put it in a small fish bowl. Sentence 3: In the middle of the bowl she placed a small plant. Sentence 4: The beta fish didn't like the plant and started biting at it. Sentence 5: The bites were so strong that it knocked the small plant over! Choices: a. The happy cook. b. Beta fish are strong fish.

b