Instructions: 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: Title: Peapod. Sentence 1: We use Peapod quite often. Sentence 2: Recently peapod changed their website. Sentence 3: I did some shopping, then signed off. Sentence 4: Peapod said my cart was saved, but in fact it was not. Choices: a. I talked to the owner and got her to pay Sally $5 for the ball. b. I am mulling over using another service.
Output:
b