Stopping at a red light.
There is a person in a car waiting for the light to change.
Stopping at a red light does not mean there is a person in a car.
exists e1 s1 x1 x2.(at(e1,x2) & n_light(x2) & a_red(s1) & Theme(s1,x2) & Actor(e1,x1) & v_stop(e1) & n_thing(x1))
exists p1 x1 x5.(n_light(x5) & exists e1 p2 x2 x3 x4.((x1 = x2) & in(x2,x3) & Topic(e1,p2) & Actor(e1,x4) & v_wait(e1) & exists e2.(Actor(e2,x5) & v_change(e2)) & (x3 = x4) & n_car(x3) & n_person(x2)))