The park bench is mounted into the ground.
The park bench can not be moved
Just because the bench is mounted into the ground doesn't mean that it can't be moved.
exists e1 x1 x2 x3.(n_ground(x3) & n_bench(x1) & of(x1,x2) & n_park(x2) & into(e1,x3) & Theme(e1,x1) & v_mount(e1))
exists x1 x2.(n_bench(x1) & of(x1,x2) & n_park(x2) & -exists e1 p1.(exists e2.(Theme(e2,x1) & v_move(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_can(e1)))