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: 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.

Ex Output:
a

Ex Input:
Sentence 1: Norma and Robert had only planned to have three children. Sentence 2: After that either she would get a tubal ligation or he a vasectomy. Sentence 3: But they neither or them ever got around to it after the third child. Sentence 4: One day Norma had a suspicion confirmed by a positive pregnancy test. Sentence 5: An ultrasound confirmed not only was she pregnant but it was twins! Choices: a. Old Currency. b. Plus.

Ex Output:
b

Ex Input:
Sentence 1: There was a large festival in front of my school. Sentence 2: Many people hung out, took pictures and ate food. Sentence 3: A large thunderstorm occurred around the school. Sentence 4: Everyone got soaked. Sentence 5: However, it didn't stop them from having a good time. Choices: a. Dedicated People. b. Rocky gets hired.

Ex Output:
a