A bee sits on a flower.
A bee flies into a hive.
A bee cannot sits and flies at the same time
exists e1 x1 x2.(on(e1,x2) & n_flower(x2) & Actor(e1,x1) & v_sit(e1) & n_bee(x1))
exists e1 x1 x2.(into(e1,x2) & n_hive(x2) & Actor(e1,x1) & v_fly(e1) & n_bee(x1))