Erin is big. Erin is blue. Erin is nice. Erin is red. Erin is not rough. Erin is white. Erin is young. Fiona is big. Fiona is blue. Fiona is nice. Fiona is red. Fiona is rough. Fiona is not white. Fiona is young. If someone is nice and not young then they are red. If someone is blue and not nice then they are not white.
Fiona is not nice.