A man is standing outside of a house with a snow shovel.
A man is washing windows on a ladder.
Either the man is standing outside with a snow shovel or he is washing windows. He cannot do both simultaneously.
exists e1 x1 x2 x3 x4.(with(e1,x3) & n_shovel(x3) & of(x3,x4) & n_snow(x4) & of(e1,x2) & n_house(x2) & r_outside(e1) & Actor(e1,x1) & v_stand(e1) & n_man(x1))
exists e1 x1 x2 x3.(on(e1,x3) & n_ladder(x3) & Theme(e1,x2) & Actor(e1,x1) & v_wash(e1) & n_window(x2) & n_man(x1))