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 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.
Input: Title: Door. Sentence 1: Alvin opened the door. Sentence 2: He surprised his Wife. Sentence 3: His wife had a visitor. Sentence 4: His name was Frank. Choices: a. His wife was cheating on him with Frank. b. He told me I was the one who was confused.
Output:
b