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.
Q: Title: Butter. Sentence 1: I ate margarine on my toast every morning. Sentence 2: One day I spent the night at a hotel. Sentence 3: The next morning there was real butter on my tray. Sentence 4: I tried it for the first time. Choices: a. I decided then and there that real butter was much better. b. The two slowly relaxed and had a great time.
A:
a