A silhouette of a figure parachuting at sunset.
A man has is sky diving
Not all parachuting figure are sky diving.
exists x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & at(x2,x4) & n_sunset(x4) & n_parachuting(x2) & of(x2,x3) & n_figure(x3) & n_silhouette(x1))
exists e1 p1 x1 x2.(exists x3 x4.((x1 = x3) & n_diving(x3) & of(x3,x4) & n_sky(x4)) & Actor(e1,x2) & v_have(e1) & (x1 = x2) & n_man(x1))