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: Susan had a pet hamster named Moose. Sentence 2: She kept the hamster in a cage in her apartment. Sentence 3: One day, Susan let Moose play in a box on the floor. Sentence 4: Susan looked down and saw that Moose had climbed out of the box! Sentence 5: Luckily she was able to catch Moose and put him in his cage. Choices: a. Susan's Pet. b. Kendra's Killer Kite.

a