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: Cindy watched a TV show about extreme couponing. Sentence 2: Cindy thought it was a great idea and wanted to try it herself. Sentence 3: She cut out many coupons from the newspaper. Sentence 4: She also searched online for tips. Sentence 5: After using coupons, Cindy came home with 20 bottles of shampoo. Choices: a. Left Out. b. Extreme Couponing.
b