Miss me with that nonsense!

She touched his sex with her hand.

His creativity is unsurpassed by his fellow students in the art class.

The perceived and known fact on which this discussion is based, is not the difference between the occurring and the non-occurring of an act (for non-occurring does not say impossibility), nor the difference between possibility and impossibility of the act (for the possibility cannot be perceived), but the difference between the occurring and the impossibility.