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: Omar was on vacation. Sentence 2: And he saw an artisan coffee shop. Sentence 3: He thought about buying coffee there. Sentence 4: But he decided it was too expensive. Sentence 5: When Omar was back at home, though, all he thought about was coffee. Choices: a. Expensive Coffee. b. Ride.
Example Output: a

Example Input: Sentence 1: Chauncy woke up this morning and found her trees had been TPed. Sentence 2: She tried to clean up the mess but some of the toilet paper high up. Sentence 3: Instead of using a ladder, she decided to burn it. Sentence 4: A small piece of paper drifted away and set the yard on fire. Sentence 5: Chauncy watched in disbelief as the fire quickly spread to her house. Choices: a. Homesick. b. What was she thinking.
Example Output: b

Example Input: Sentence 1: It was a lazy summer day when they set off. Sentence 2: The river was lovely that day. Sentence 3: They had their kayaks in the water and were paddling downstream. Sentence 4: It was a gorgeous day. Sentence 5: They reached the landing and pulled out their kayaks. Choices: a. Paddling. b. Good Reading.
Example Output:
a