A surfer in blue rides a wave.
The surfer is on a body of water.
Wave implies water.
exists x1.(all x2.(n_wave(x2) -> exists s1 x3.(a_topic(x1) & in(x1,x3) & for(x3,x2) & n_ride(x3) & a_blue(s1) & Theme(s1,x3))) & n_surfer(x1))
exists p1 x1.(n_surfer(x1) & exists x2 x3.(on(x1,x2) & of(x2,x3) & n_water(x3) & n_body(x2)))