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: Ollie the lab was adopted by wonderful puppy parents when he was 2. Sentence 2: They loved him and spoiled him and fed him countless goodies everyday. Sentence 3: One day when Ollie's parents left, they never came home. Sentence 4: Ollie was devastated and thought he would never feel happy again. Sentence 5: However, his parents finally returned and they never left him again. Choices: a. The Boiling Water. b. Ollie and Family.

b