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: Zoology test. Sentence 1: Sam has a zoology on Monday. Sentence 2: He has been studying all weekend. Sentence 3: He still doesn't feel ready. Sentence 4: He took it anyway. Choices: a. Luckily he made a perfect score. b. And Sarah ordered the $6 coffee every day.
b