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: The boy was building the computer. Sentence 2: He couldn't find the part. Sentence 3: He looked all around. Sentence 4: He went to the kitchen. Sentence 5: He had left the part in the kitchen. Choices: a. The parts. b. The Curly Hair.

a