Cargo is being loaded onto a ship.
The crane lifts a container.
Cargo is being loaded does not necessarily mean lifts a container.
exists e1 x1 x2.(ne_nam_cargo(x1) & onto(e1,x2) & n_ship(x2) & Theme(e1,x1) & v_load(e1))
exists e1 x1 x2.(n_crane(x1) & Theme(e1,x2) & Actor(e1,x1) & v_lift(e1) & n_container(x2))