Charlie is green. Charlie is nice. Fiona is nice. Fiona is not rough. Gary is big. Harry is nice. Harry is round. Round, big things are not white. All white things are nice. Smart, round things are big. All round things are rough. Green, rough things are round. If something is big and nice then it is rough. If something is nice and green then it is smart. Smart things are big. If something is white and not big then it is not green.
Fiona is smart.