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'.

Ex Input:
Sentence 1: Our office deals with hundreds of dollars in cash a day. Sentence 2: To combat theft, my bosses installed security cameras. Sentence 3: One day I found that one was not working properly. Sentence 4: I climbed up to take a look at the camera. Sentence 5: I fixed the cord that somehow popped out of place. Choices: a. Notices. b. Security Cameras.

Ex Output:
b

Ex Input:
Sentence 1: Ron was trying to repair his mouse. Sentence 2: He'd cracked the plastic when he'd slammed it down too hard. Sentence 3: Ron used superglue to mend the edges. Sentence 4: His finger got some glue on it and became stuck on the mouse. Sentence 5: Ron poured some acetone on his finger to get it unstuck. Choices: a. Repair. b. West River Telecom.

Ex Output:
a

Ex Input:
Sentence 1: Pharmasset was a biotechnology company in New Jersey. Sentence 2: The company was working on drugs to treat viral infections. Sentence 3: One of their drugs had great promise to cure patients of hepatitis B. Sentence 4: A larger company, Gilead, bought Pharmasset for that drug. Sentence 5: Now Gilead sells billions of dollars of the drug every quarter. Choices: a. Hepatitis Success. b. Shoes.

Ex Output:
a