Three men on a scaffold erected outside a building.
Three men outside are not on the ground.
If men are on a scaffold, then they are not on the ground.
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(x1,x2) & outside(e1,x4) & n_building(x4) & Theme(e1,x3) & v_erect(e1) & (x2 = x3) & n_scaffold(x2) & n_man(x1) & card_eq_3(x1))
exists s1 x1 x2 x3.(n_ground(x3) & -exists p1.on(x1,x3) & Theme(s1,x2) & a_outside(s1) & (x1 = x2) & n_man(x1) & card_eq_3(x1))