Cargo is being loaded onto a ship.
Men are loading cargo onto a ship.
Men are not necessarily loading the cargo.
exists e1 x1 x2.(ne_nam_cargo(x1) & onto(e1,x2) & n_ship(x2) & Theme(e1,x1) & v_load(e1))
exists e1 x1 x2 x3.(onto(e1,x3) & n_ship(x3) & Theme(e1,x2) & Actor(e1,x1) & v_load(e1) & n_cargo(x2) & n_man(x1))