Instructions: 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: Karyn's mom put the meat in the pressure cooker. Sentence 2: An hour later the steam from the cooker was whistling. Sentence 3: Suddenly there was an explosion. Sentence 4: Pot roast debris covered the walls and ceilings. Sentence 5: They went to the pizza parlor for dinner. Choices: a. Baron's Goal. b. Pressure Cooker.
Output:
b