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: Dottie waved her net through the air. Sentence 2: She was catching butterflies in the summer sun. Sentence 3: There was an especially fat one with yellow and black stripes. Sentence 4: With a swish of her net, Dottie snared the butterfly. Sentence 5: Further examination revealed the butterfly was actually a bumblebee. Choices: a. Flight of the Bumblebee. b. Changes.

a