A backhoe is digging a trench outside of a building.
A backhoe is moving dirt.
That A backhoe is digging a trench outside of a building does not imply it is moving dirt.
exists e1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_dig(e1) & of(x3,x4) & n_building(x4) & outside(x2,x3) & n_thing(x3) & n_trench(x2) & n_backhoe(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_move(e1) & n_dirt(x2) & n_backhoe(x1))