Bob is red. Erin is blue. Fiona is white. Gary is not blue. If someone is kind and red then they are white. If someone is blue then they are nice. If someone is cold and not blue then they are nice. If someone is rough then they are nice. If Erin is nice and Erin is blue then Erin is white. If someone is nice and white then they are not red.
Gary is not blue.