Anne is blue. Anne is green. Anne is not nice. Anne is white. Bob is blue. Bob is green. Bob is nice. Bob is rough. Bob is white. Gary is rough. Harry is nice. Harry is rough. All nice, rough people are green. Round, rough people are nice. All rough people are white. All white people are round. All nice, white people are green. All young, white people are blue. All green people are blue. If someone is not round then they are green.
Bob is not young.