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: Norma did not like dogs at all. Sentence 2: This was not always the case, though. Sentence 3: She used to have a puppy as a child that she took everywhere. Sentence 4: She loved that dog until one day he got loose and was hit by a truck. Sentence 5: Ever since that day she was bitter and angry towards dogs. Choices: a. Dog Gone. b. Ghost.

a