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: Emperor. Sentence 1: Aloysius Gustafson was regarded as the village idiot. Sentence 2: He often claimed he was the Emperor of Rome. Sentence 3: People laughed at him, and shooed him away. Sentence 4: One day, Aloysius died, and a curious mortician sent his DNA away. Choices: a. Upon its return, the DNA revealed that he was related to Nero. b. He splashed me with water.
A:
b