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: The Crush. Sentence 1: Justin had a crush on Kate from the moment he saw her at school. Sentence 2: Kate always smiled and said hello, but Justin could only blush. Sentence 3: At the school dance, Justin saw Kate sitting quietly by herself. Sentence 4: Summoning every bit of his courage, Justin asked her to dance. Choices: a. Kate said yes. b. After that they played some duets with teacher.
Example Output: a

Example Input: Title: Scared. Sentence 1: I wrote a book called Angel Investor but was scared to sell it. Sentence 2: Other writers told me don't sell it but I needed the money. Sentence 3: I asked some professional writers What Should I Do? Sentence 4: Those professional writers said Go For It. Choices: a. She wanted the music box to be on display. b. I placed my ebook on AMAZON DOT COM and now it's a bestseller.
Example Output: b

Example Input: Title: Questions. Sentence 1: She had so many questions, I never had an answer. Sentence 2: I wish I would answer, and tell her all of my insecurities. Sentence 3: But I didn't, and she departed as soon as she came. Sentence 4: I'd have told her how when I felt her, I was in lost in heaven. Choices: a. They had a great vacation. b. I'd shift my reality, because she was my closest thing to heaven.
Example Output:
b