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: Don asked his mom for a pet fish. Sentence 2: She told him that he had to buy it with his own money. Sentence 3: He went to the aquarium store and picked out a goldfish. Sentence 4: He bought a fish bowl and some food for it. Sentence 5: He took it home and set up a mini aquarium. Choices: a. Little Fish. b. The Truck is Stuck.

a