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 loved architecture. Sentence 2: He studied historical doors. Sentence 3: He found 1000 year old European doors to be the most stylish. Sentence 4: He purchased a similar looking door for his own home. Sentence 5: He was happy to see that door everyday. Choices: a. Doors. b. Jack's Car.

a