Dave is kind. Dave is quiet. Dave is rough. Erin is blue. Erin is smart. Fiona is blue. Fiona is red. Fiona is rough. Harry is quiet. Harry is smart. If Dave is rough then Dave is red. If someone is quiet and smart then they are round. All blue people are rough. All red, round people are quiet. Round people are quiet. If Fiona is blue and Fiona is quiet then Fiona is kind. If someone is red then they are blue. All rough, kind people are round.
Harry is red.