A surfer walking into the ocean
The surfer is at a beach.
if the surfer is walking into the ocean, then they are at a beach.
exists e1 x1 x2 x3.(n_ocean(x3) & a_topic(x1) & into(e1,x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_surfer(x1))
exists p1 x1.(n_surfer(x1) & exists x2.(at(x1,x2) & n_beach(x2)))