In this task, you're given the title of a five-sentence story, the first four sentences, and two options for the fifth sentence as a and b. Your job is to pick the sentence option that seamlessly connects with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes more sense.

Input: Consider Input: Title: Science Class. Sentence 1: I always hated science class due to how boring it was. Sentence 2: When I told my friend, she laughed. Sentence 3: She told me that science helps make the world a better place. Sentence 4: She explained all of the scientific findings that changed the world. Choices: a. I then realized that I foolishly went over my budget. b. After that I had a deeper appreciation for science.

Output: b

Input: Consider Input: Title: Purse left behind. Sentence 1: Mary took her purse into the bathroom stall and set it on the shelf. Sentence 2: Without thinking, she exited the bathroom without her purse. Sentence 3: Later she realized she didn't have her purse. Sentence 4: She ran to the bathroom and found her purse. Choices: a. Unfortunately, her wallet had been emptied and she was sad. b. James passed the written part which made him happy.

Output: a

Input: Consider Input: Title: the Freeloader. Sentence 1: Kim's little sister needed a place to crash. Sentence 2: Kim and her boyfriend let her stay there a while. Sentence 3: She didn't clean and wouldn't get a job. Sentence 4: She ate all their food and ran up their bills. Choices: a. Tim was forced to shut down shortly after. b. Kim had to kick her out eventually.
Output: b