Charlie is red. Fiona is red. Fiona is rough. Fiona is white. Gary is blue. Gary is quiet. Harry is rough. All green things are white. If something is quiet and white then it is blue. All quiet, blue things are green. Rough things are white. If something is white then it is quiet. If something is green and white then it is red. If Gary is not green then Gary is rough. If Gary is blue and Gary is not rough then Gary is white. If something is white and not rough then it is furry.
Harry is red.