Erin is white. Fiona is nice. Fiona is rough. Fiona is young. Gary is rough. Harry is rough. Harry is young. If someone is rough then they are white. If someone is nice then they are quiet. If Fiona is young and Fiona is white then Fiona is nice. If someone is white and rough then they are smart. All white people are round. If someone is smart then they are young. If someone is quiet then they are smart. If Gary is young and Gary is white then Gary is nice.
Gary is not young.