A woman with an umbrella following a car on a billboard.
A woman is on an advertisement.
If it is on a billboard, than it is an advertisement.
exists x1 x2 x3 x4.(a_topic(x1) & follow(x1,x3) & on(x3,x4) & n_billboard(x4) & n_car(x3) & with(x1,x2) & n_umbrella(x2) & n_woman(x1))
exists p1 x1.(exists x2.(on(x1,x2) & n_advertisement(x2)) & n_woman(x1))