Instructions: 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: Dudley was a pioneer in America, long ago. Sentence 2: One day, he had to make a journey through a forest. Sentence 3: While walking through the forest, he came upon a brown bear. Sentence 4: He then noticed that the bear was with some tiny cubs. Sentence 5: The bear charged Dudley, and he ran for his life. Choices: a. Brown Bear. b. Mowing.
Output:
a