Charlie is big. Charlie is nice. Charlie is red. Charlie is rough. Dave is nice. Dave is red. Fiona is big. Fiona is blue. Fiona is nice. Fiona is red. Fiona is rough. Fiona is round. Rough people are red. If someone is not young then they are blue. Round, red people are nice. If someone is blue then they are not young. If Charlie is rough and Charlie is not young then Charlie is nice. If Fiona is blue and Fiona is not rough then Fiona is nice. If someone is rough and not red then they are not young. If someone is not red then they are not young.
Dave is blue.