Two men in orange coveralls shovel snow off railroad tracks.
The men do not have shovels.
The men cannot shovel snow if they do not have shovels.
exists e1 x1 x2 x3 x4 x5 x6.(off(e1,x5) & n_track(x5) & of(x5,x6) & n_railroad(x6) & Theme(e1,x4) & Actor(e1,x1) & v_shovel(e1) & n_snow(x4) & in(x1,x2) & n_coverall(x2) & of(x2,x3) & n_orange(x3) & n_man(x1) & card_eq_2(x1))
exists x1.(n_man(x1) & -exists e1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_shovel(x2)))