Bob is not green. Bob is quiet. Bob is red. Fiona is not blue. Fiona is cold. Fiona is green. Fiona is kind. Fiona is quiet. Fiona is red. Fiona is round. Gary is blue. Gary is cold. Gary is not round. Harry is quiet. Harry is not red. Harry is round. If someone is not round then they are quiet. If someone is not quiet and not cold then they are green.
Harry is not green.