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: Albert lived outside the city but loved partying there on Saturdays. Sentence 2: He drove his car to a bar and spent time with friends. Sentence 3: He'd drink a few beers. Sentence 4: And when it was time to go home, he'd be too drunk to drive. Sentence 5: So every week his friend let him sleep on his sofa. Choices: a. Saturdays in the city. b. Reward Chart Electronics.
Example Output: a

Example Input: Sentence 1: Kevin was excited to go to a music festival. Sentence 2: He stood in line for hours to get tickets. Sentence 3: He got the exact tickets he wanted. Sentence 4: Kevin got to the concert in plenty of time to see his favorite band. Sentence 5: However the band had canceled because of illness. Choices: a. A big disappointment. b. Riley faces her fears.
Example Output: a

Example Input: Sentence 1: Nina was very bad at cooking but was striving to get better. Sentence 2: She enrolled in a cooking class to learn new recipes. Sentence 3: She learned how to make complicated and tasty dishes. Sentence 4: When she graduated, she invited her friends and cooked for them. Sentence 5: They tasted her food and complimented her on her new skill. Choices: a. New in the country. b. Cooking for friends.
Example Output:
b