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: I was coming back inside from taking the dog out. Sentence 2: I felt something land on my hand. Sentence 3: I looked down and saw a pretty butterfly. Sentence 4: It lit upon my hair before taking off again. Sentence 5: It ended up sitting on the ceiling fan where I couldn't reach it. Choices: a. Butterfly. b. Biking with Noah.

a