Charlie is not big. Charlie is not cold. Charlie is furry. Charlie is nice. Charlie is rough. Charlie is smart. Charlie is white. Fiona is big. Fiona is not cold. Fiona is not furry. Fiona is not nice. Fiona is rough. Fiona is not smart. Fiona is white. Gary is smart. If Fiona is not rough then Fiona is smart.
Gary is not white.