Q: 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: Mom's Tattooed Ex-Boyfriend. Sentence 1: Kevin found several old photo albums at his grandma's house. Sentence 2: Kevin started looking through photos showing his mom as a teen. Sentence 3: He found a picture of his mom's old boyfriend who had several tattoos. Sentence 4: Kevin later announced to his mom that he was going to get a tattoo. Choices: a. When she protested, Kevin showed her the photo of her old boyfriend. b. Shamed, she paid her sister the $20.
A:
b