A surfer in midair on his board in the ocean.
A person is in the ocean.
A surger in midair means he is in the ocean.
exists x1 x2 x3 x4.(n_ocean(x4) & a_topic(x1) & in(x1,x4) & in(x1,x2) & on(x2,x3) & n_board(x3) & of(x3,x1) & n_male(x1) & n_midair(x2) & n_surfer(x1))
exists p1 x1 x2.(n_ocean(x2) & in(x1,x2) & n_person(x1))