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: Tim wasn't a very smart kid. Sentence 2: He loved staring at things. Sentence 3: One day he became mesmerized by the sun. Sentence 4: His parents didn't notice him staring until after hours. Sentence 5: Tim lost much of his eyesight. Choices: a. Forest. b. Going Blind.

b