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: Wrong Experts. Sentence 1: Tom's car was having problems. Sentence 2: He took it to several mechanics. Sentence 3: None were able to help him. Sentence 4: Eventually Tom asked a knowledgeable friend about it. Choices: a. The friend was able to send him down the right path. b. He made sure to always close the door after that.
b