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: Sam's house didn't get much light. Sentence 2: He had dark curtains which didn't help. Sentence 3: He decided to replace them with something more sheer. Sentence 4: The new curtains let in more light. Sentence 5: Sam decided to replace more window treatments. Choices: a. New Curtains. b. Getting Glasses.

a