a surfer rides up the wave.
The surfer is wet.
If a surfer rides up the wave, the surfer is in water and should be wet.
exists e1 s1 x1 x2.(n_wave(x2) & a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_surfer(x1))
exists s1 x1.(n_surfer(x1) & Theme(s1,x1) & a_wet(s1))