Erin is quiet. Fiona is quiet. Gary is quiet. If someone is rough then they are green. If someone is not nice then they are rough. If Gary is nice and Gary is cold then Gary is big. If someone is green and quiet then they are rough. If Fiona is quiet then Fiona is white. If someone is green then they are not cold. If someone is not white then they are green. If someone is nice and not green then they are not quiet.
Fiona is not nice.