a surfer rides the wave.
A woman surfs in Hawaii.
If a surfer rides the wave,it is not necessary that its a woman and surfs in Hawaii.
exists e1 x1 x2.(n_wave(x2) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_surfer(x1))
exists e1 x1 x2.(ne_geo_hawaii(x2) & in(e1,x2) & Actor(e1,x1) & v_surf(e1) & n_woman(x1))