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: Jean likes to read. Sentence 2: She bought a new book last week. Sentence 3: It is a science fiction book. Sentence 4: She read it in two days. Sentence 5: The book was very interesting. Choices: a. Bathtub. b. Jean's Book.

b