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: One day the Johnston family kitchen caught on fire. Sentence 2: Luckily they had a fire extinguisher in the kitchen. Sentence 3: Mr Johnston put the fire out with it. Sentence 4: Fortunately the fire didn't destroy anything. Sentence 5: The Johnstons vowed to be more careful. Choices: a. Fish. b. Kitchen Fire.
b