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: Charlotte dropped out of college to stay home with her infant. Sentence 2: Five years later, she decided to finally earn her degree. Sentence 3: Her husband mocked her for trying. Sentence 4: Charlotte took classes in the evenings. Sentence 5: She ended up graduating with honors. Choices: a. The Library. b. Not Just a Mom.

b