a dune buggy racer in the desert.
The dune buggy is racing in the desert
One racer in the desert can also be there without racing.
exists s1 x1 x2 x3.(n_desert(x3) & a_topic(x1) & in(x1,x3) & n_racer(x1) & of(x1,x2) & n_buggy(x2) & a_dune(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_desert(x3) & n_buggy(x1) & of(x1,x2) & n_dune(x2) & in(e1,x3) & Actor(e1,x1) & v_race(e1))