A man surfing in the ocean.
The man is in a body of water.
an ocean is a body of water
exists x1 x2 x3.(n_ocean(x3) & a_topic(x1) & in(x1,x3) & n_surfing(x1) & of(x1,x2) & n_man(x2))
exists p1 x1.(n_man(x1) & exists x2 x3.(in(x1,x2) & of(x2,x3) & n_water(x3) & n_body(x2)))