Bob is quiet. Gary is big. Gary is nice. Gary is quiet. Gary is rough. Harry is big. Harry is blue. Harry is nice. Harry is quiet. Harry is rough. Harry is white. Harry is young. All white, quiet people are blue. If someone is rough then they are big. If Harry is young then Harry is nice. Nice, quiet people are young. If someone is young and blue then they are nice. All rough, white people are big. Young, nice people are white. Big people are rough.
Gary is not young.