Charlie is quiet. Dave is quiet. Dave is white. Dave is young. Erin is red. Erin is young. Fiona is big. Fiona is red. Fiona is rough. Fiona is young. All red people are quiet. If Erin is blue and Erin is white then Erin is rough. If someone is red and white then they are blue. If someone is white and red then they are quiet. All quiet people are big. All big people are white. If Fiona is quiet and Fiona is white then Fiona is young.
Charlie is not red.