Given the task definition and input, reply with output. 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 does not connect with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes less sense.

Title: Bad Wine. Sentence 1: We went to visit our daughter and her in laws last week. Sentence 2: Her mother in law Harriet had us over for dinner. Sentence 3: Harriet opened a bottle of wine and found the cork had dried up. Sentence 4: She could not serve the wine, and my wife was disappointed. Choices: a. Harriet had enough of an old bottle to give my wife a glass, however. b. The sisters were not amused.
b