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 comic books. Sentence 2: He had a really expensive one. Sentence 3: It had been in his collection for years. Sentence 4: One day a friend asked to read it. Sentence 5: Tim told turned them down. Choices: a. cheat. b. Collector's Item.

b