Charlie is green. Charlie is red. Charlie is round. Erin is blue. Erin is green. Erin is rough. Erin is round. Erin is white. Erin is young. Fiona is blue. Fiona is red. Fiona is rough. Fiona is round. Fiona is white. Fiona is young. Round things are red. If Charlie is round then Charlie is young. If something is red then it is white.
Charlie is not blue.