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: Nia grew up caring for her younger siblings. Sentence 2: She worked hard and frequently rewarded those that did well. Sentence 3: Her youngest sister performed the best in school. Sentence 4: She wanted to give her sister an opportunity for her hard work. Sentence 5: Nia set up a fund for her sister's future as payment. Choices: a. Helping for the Future.. b. Family business.

a