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: Car Sale. Sentence 1: Johnny wanted to sell his old car. Sentence 2: He placed an ad in the paper. Sentence 3: Johnny had calls about his car. Sentence 4: A man came to look at the car. Choices: a. I then decided that I would get along with nature just fine at home. b. The man bought Johnny's car.
Output:
a