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.

Example Input: Title: Shoes. Sentence 1: Jake needed a new pair of shoes. Sentence 2: He found the perfect pair. Sentence 3: His mom said he could not have them. Sentence 4: Jake decided to get a job to buy them. Choices: a. They told the forum who she was and she lost all her friends. b. He was excited when he had enough money.
Example Output: b

Example Input: Title: Riding Bikes with Music. Sentence 1: Lisa loved to ride her bike in the summer while listening to music. Sentence 2: One day she went out for a ride with her headphones in. Sentence 3: The sun was warm and the music sounded amazing. Sentence 4: The music was so good that she didn't hear the truck veering her way. Choices: a. She dodged the accident just in time. b. I wore underwear as a safety measure.
Example Output: a

Example Input: Title: Shoe Shine Boy. Sentence 1: Feeling a bit in the dumps, I decided to get my shoes shined. Sentence 2: So I drove downtown to find Jack the shoe shine boy. Sentence 3: I found Jack and parked my car near by. Sentence 4: I got out and walked to Jack's stand and asked for a shine. Choices: a. After that, Sue always brought her lunch in a bag. b. So Jack shined my shoes and I feel much better about things now.
Example Output:
b