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.
Q: Title: Duke and the Peanut Butter Sandwich. Sentence 1: My first dog was a poodle terrier mix, crazy looking mutt, but smart. Sentence 2: Once, we were in my club house and my mom brought us PBJ sandwiches. Sentence 3: Now, Duke had an allergy to grass and needed a benadryl pill daily. Sentence 4: So my mom put the pill on a sandwich she brought us, to trick him. Choices: a. He was so smart he found the pill, licked it off, and spit it out! b. Jack was not able to play for 3 weeks.
A: 
b