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'.

Example Input: Sentence 1: Dean saw a strange man walking outside his neighborhood. Sentence 2: The man looked suspicious. Sentence 3: Dean watched the man for a while. Sentence 4: Dean went and asked his neighbor if he knew the man. Sentence 5: Dean and his neighbor reported the suspicious neighbor. Choices: a. No More Gym. b. The Strange Man.
Example Output: b

Example Input: Sentence 1: Heather was middle aged and wore glasses. Sentence 2: At the mall last week she lost her glasses. Sentence 3: Heather had to call her daughter to drive her to work. Sentence 4: Heather went the very next day to buy a new pair. Sentence 5: Heather called her daughter and told her she did not have to drive her. Choices: a. Glasses. b. Knitting.
Example Output: a

Example Input: Sentence 1: Michael wanted to change his last name. Sentence 2: He didn't feel any ties to it. Sentence 3: He began looking at surnames to find one he likes. Sentence 4: After a few hours, he narrowed it down. Sentence 5: He is excited to feel like he's his own person. Choices: a. Ben's Pond. b. Surname.
Example Output:
b