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: The Limo. Sentence 1: A limo pulled up to Betty's home. Sentence 2: The window rolled down menacingly. Sentence 3: Though fearful, she stepped over and looked inside. Sentence 4: She was puzzled at the tiny old man she saw. Choices: a. Tom and his friends had to cancel the trip. b. The man beside her asked if she had any Grey Poupon.
Output:
a