Bob is green. Dave is blue. Dave is furry. Dave is green. Dave is white. Erin is not blue. Erin is furry. Erin is rough. Gary is not blue. Gary is nice. Gary is round. Gary is not white. If Gary is blue and Gary is green then Gary is not round. If someone is green then they are not round. White, blue people are green. If Erin is round and Erin is rough then Erin is blue. All green, nice people are white. All furry, nice people are not blue.
Gary is not nice.