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: Ramona loves history. Sentence 2: She did well in all of her history classes is high school. Sentence 3: She decided to major in history in college. Sentence 4: Ramona decided to travel to write a history book. Sentence 5: Ramona's book about history is now a best seller. Choices: a. Cats and Rain. b. History Book.

b