You will be given a definition of a task first, then some input of the task.
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'.

Sentence 1: There was a bad smelling coming from the kitchen. Sentence 2: I went to the kitchen to investigate. Sentence 3: The smell seemed to be coming from behind the oven. Sentence 4: After I pushed the oven out, I could see what caused the smell. Sentence 5: A rat had died behind the oven. Choices: a. The rat. b. Pineapple.
Output:
a