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: Fay found a stray dog on the street. Sentence 2: She brought the dog home. Sentence 3: She named the dog Spot. Sentence 4: Spot and Fay became good friends. Sentence 5: Fay felt happier than she ever had before. Choices: a. Michelle the Dietician. b. Stray Dog.

b