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: Building Dreams. Sentence 1: John is an architec. Sentence 2: He has been doing it for almost 20 years now. Sentence 3: He usually works on restoring and remodeling older homes. Sentence 4: He also helps restore older buildings for business or residencies. Choices: a. She spit-up on her mom's clothes! b. He is very popular and is in high demand around the world.
a