A woman and a dog sit on a tree stump.
A man is buying a printer.
A woman is not a man.
exists e1 x1 x2 x3 x4 x5.(on(e1,x4) & n_stump(x4) & of(x4,x5) & n_tree(x5) & Actor(e1,x1) & v_sit(e1) & subset_of(x3,x1) & n_dog(x3) & subset_of(x2,x1) & n_woman(x2))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_buy(e1) & n_printer(x2) & n_man(x1))