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: Kian wore thick glasses and was overweight. Sentence 2: His schoolmates made fun of him constantly. Sentence 3: But then his dad bought a farm, and they moved to a tiny town. Sentence 4: There was no school, so Kian's mom homeschooled him. Sentence 5: For the first time, Kian found that he loved learning! Choices: a. Fisher. b. Weirdo.
Example Output: b

Example Input: Sentence 1: Charles was driving his limousine at work last week. Sentence 2: He was given a ride from his boss that was across town. Sentence 3: After arriving at the house an hour later he tried to call the guest. Sentence 4: The guest told Charles that the trip was actually not until tomorrow. Sentence 5: Charles had to drive all the way back into town empty handed. Choices: a. Hong Kong. b. Charles the Driver.
Example Output: b

Example Input: Sentence 1: There was a new popular game out. Sentence 2: Guillermo thought if he hacked the game he would receive rewards. Sentence 3: He learned hacking really fast. Sentence 4: And he benefited from hacking for a while. Sentence 5: But he received a permanent ban. Choices: a. Not worth it. b. Was it worth it?.
Example Output:
a