Anne is blue. Anne is green. Anne is nice. Anne is quiet. Anne is smart. Anne is white. Anne is young. Bob is not quiet. Bob is white. Bob is young. Dave is green. Dave is quiet. Dave is smart. Dave is white. Gary is nice. Gary is smart. If someone is blue and smart then they are young. All nice people are green. All quiet, young people are white. Quiet people are blue. If Dave is smart and Dave is green then Dave is nice. If someone is green then they are quiet. If someone is not young then they are blue.
Gary is not quiet.