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: Stacy originally thought she wanted five kids. Sentence 2: She and Bob first were blessed with a daughter. Sentence 3: Two years later, they had twin girls. Sentence 4: Now, Stacy is selling all her maternity and baby clothes. Sentence 5: She says she has changed her mind about wanting five kids! Choices: a. Stacy Changes Her Mind. b. Lance wins.

a