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: Luke was an old fashioned rancher. Sentence 2: He took care of his cattle like his father taught him to. Sentence 3: But his father did not prepare him for tonight's storm. Sentence 4: The storm was huge, bearing a tornado, and headed for his cattle. Sentence 5: Luke heroically rode into the storm and herded his cattle to safety. Choices: a. The Lightning Storm. b. The Genius.
Example Output: a

Example 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.
Example Output: b

Example Input: Sentence 1: Jimmy was eating at a diner. Sentence 2: He ordered a hamburger. Sentence 3: The waitress brought his order out. Sentence 4: It was a cheeseburger. Sentence 5: Jimmy told the waitress that the order was wrong. Choices: a. The Cheeseburger. b. Things to do.
Example Output:
a