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: Consider Input: Sentence 1: Gary was mowing his lawn. Sentence 2: The mower didn't seem to be cutting well. Sentence 3: Gary went to a home improvement store. Sentence 4: He bought a new set of blades for the mower. Sentence 5: Gary changed the blades on his mower. Choices: a. New Blades. b. Tile.

Output: a

Input: Consider Input: Sentence 1: Jennifer was exploring a new city. Sentence 2: She needed excitement in her life. Sentence 3: She was trying to find the Concert in the city. Sentence 4: Her gps had her turning down back alleys and roads. Sentence 5: Jennifer pulled over and cried because she was lost in the city. Choices: a. Jennifer gets lost. b. Drugged Drinks.

Output: a

Input: Consider Input: Sentence 1: Tim was studying the history of America. Sentence 2: He learned about Native Americans. Sentence 3: He became fascinated with their culture. Sentence 4: He researched their historical sites. Sentence 5: He took a vacation to visit the sites and had fun. Choices: a. Andrea Always Accounted Aptly. b. Native Americans.
Output: b