Charlie is kind. Charlie is nice. Charlie is rough. Charlie is round. Fiona is blue. Fiona is kind. Fiona is nice. Fiona is rough. Fiona is not round. Fiona is smart. If something is not nice and not furry then it is kind. If something is furry and not nice then it is smart. If Fiona is not kind then Fiona is not blue.
Charlie is not smart.