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: Amy wanted to earn extra money this summer. Sentence 2: She decided to open up a lemonade stand. Sentence 3: Unfortunately, she did not have the money to buy the supplies. Sentence 4: Amy's dad brought all the supplies and surprised Amy. Sentence 5: Amy was elated that she could finally get her lemonade stand started. Choices: a. Lemonade Stand. b. Regret.

a