Police are policing the scene.
Police are inside the coffee shop.
The police can't be policing the scene if they're inside the coffee shop.
exists e1 x1 x2.(n_scene(x2) & Theme(e1,x2) & Actor(e1,x1) & v_police(e1) & n_police(x1))
exists p1 x1 x2 x3.(n_shop(x2) & of(x2,x3) & n_coffee(x3) & inside(x1,x2) & n_police(x1))