Charlie is rough. Dave is furry. Erin is blue. Erin is cold. Erin is smart. Harry is big. Harry is blue. Harry is furry. Harry is kind. Harry is smart. All kind people are blue. If someone is smart and furry then they are kind. Big, blue people are kind. If someone is big and smart then they are rough. All furry people are smart. If someone is blue then they are rough.
Charlie is not blue.