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: Alexis loves her children. Sentence 2: She enjoys taking care of them. Sentence 3: She decided to try to have a career taking care of children. Sentence 4: She decided to open up her own daycare center. Sentence 5: Alexis's daycare is now very successful. Choices: a. Sand Dunes. b. Childcare Career.
b