People waiting at a light on bikes.
There is traffic next to the bikes.
No all bikes waiting at lights have traffic next to them.
exists e1 x1 x2 x3 x4.(a_topic(x1) & at(e1,x3) & on(x3,x4) & n_bike(x4) & n_light(x3) & Actor(e1,x2) & v_wait(e1) & (x1 = x2) & n_people(x1))
exists p1 x1 x4.(n_bike(x4) & exists x2 x3.((x1 = x2) & to(x3,x4) & next(x2,x3) & n_thing(x3) & n_traffic(x2)))