Bob is quiet. Bob is not rough. Bob is young. Dave is cold. Dave is not quiet. Dave is red. Dave is rough. Erin is nice. Erin is quiet. Erin is white. Erin is young. Gary is not nice. Gary is red. Gary is rough. Gary is not white. If someone is quiet and red then they are nice. If Gary is cold and Gary is rough then Gary is quiet. If Gary is young and Gary is white then Gary is red. Young people are nice. Red, quiet people are not cold. If Erin is not cold then Erin is red. If Gary is cold and Gary is not young then Gary is rough. If someone is white and not red then they are quiet.
Dave is white.