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: Special Delivery. Sentence 1: Caleb got his first car for his 16th birthday. Sentence 2: It was decided he would work a part time job. Sentence 3: He needed his own money for things like gas and insurance. Sentence 4: The very first job he applied to he got. Choices: a. She was left with bowls and trays full of unusable sludge. b. He ended up delivering pizzas and had a blast.

Output: b

Input: Consider Input: Title: Salesman. Sentence 1: Bill got a new job as the company inside sales person. Sentence 2: Bill had never made a sale over the telephone before. Sentence 3: Bill read several books on how to sell product over the phone. Sentence 4: Bill began to implement the techniques he learned from reading. Choices: a. Now Bill is making several sales a day! b. He had to see the doctor and suffered from a concussion.

Output: a

Input: Consider Input: Title: Pete's Popular Pens. Sentence 1: Pete made custom pens in his garage. Sentence 2: His pens became very popular with businesses in his hometown. Sentence 3: He decided to expand his pen business. Sentence 4: Pete opened a shop and hired four employees. Choices: a. Bill wound up spending a month in the hospital recovering. b. Now Pete sells his popular pens nationwide.
Output: b