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: I was reading Infinite Jest on the bench in Cambridge today. Sentence 2: My friends from the building came by and said hello. Sentence 3: They had a guest from Chicago who had read the book. Sentence 4: We had an interesting conversation about the book. Sentence 5: I gave him a map of the area, as the book's setting is nearby. Choices: a. Teddy Bears. b. Infinite Jest.

b