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: Daniel's pet mouse passed away in the night. Sentence 2: The mouse, Albert, had been in the family for years. Sentence 3: Daniel decided to bury him out back. Sentence 4: He was sad as he placed his pet in the dirt. Sentence 5: Daniel then went to the store to pick up some flowers for Albert. Choices: a. Taking the dog for a walk. b. Flowers.

b