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: Ariana wanted to use a coupon she had. Sentence 2: We were all at the mall and the mall had the store! Sentence 3: When we reached the store she said we could wait and she'd shop. Sentence 4: We walked around a bit but then waited on a bench. Sentence 5: She was happy that she was able to use her coupon! Choices: a. The Groomer. b. Coupon.

b