A couple of men on a bus are looking out the window.
They are looking at a car.
Not all men are looking at a car.
exists e1 x1 x2 x3 x4.(n_window(x4) & out(e1,x4) & Actor(e1,x1) & v_look(e1) & on(x1,x3) & n_bus(x3) & of(x1,x2) & n_man(x2) & n_couple(x1))
exists e1 x1.(at(e1,x1) & n_car(x1) & Actor(e1,x1) & v_look(e1) & n_thing(x1))