A crowd of people waiting for the light.
The people are waiting in their cars.
A crowd of people waiting for the light does not imply that they are waiting in their cars.
exists e1 x1 x2 x3 x4.(n_light(x4) & a_topic(x1) & of(x1,x2) & for(e1,x4) & Actor(e1,x3) & v_wait(e1) & (x2 = x3) & n_people(x2) & n_crowd(x1))
exists e1 x1 x2.(n_car(x2) & of(x2,x1) & n_thing(x1) & n_people(x1) & in(e1,x2) & Actor(e1,x1) & v_wait(e1))