A soccer net at sunset.
A soccer goal and goalie at sunset.
Just because  soccer net at sunset does not mean that goal and goalie at sunset.
exists x1 x2 x3.(a_topic(x1) & at(x1,x3) & n_sunset(x3) & n_net(x1) & of(x1,x2) & n_soccer(x2))
exists s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x3,s1) & at(x3,x4) & n_sunset(x4) & n_goalie(x3) & subset_of(x1,s1) & n_goal(x1) & of(x1,x2) & n_soccer(x2))