A man is surfing and fishing at the same time.
A man fishing on a surf board.
A surf board is used for surfing.
exists e1 s1 x1 x2 x3.(n_time(x3) & a_same(s1) & Theme(s1,x3) & at(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_surf(e1) & n_fishing(x2) & n_man(x1))
exists s1 x1 x2 x3.(a_topic(x1) & on(x1,x3) & n_board(x3) & a_surf(s1) & Theme(s1,x3) & n_fishing(x1) & of(x1,x2) & n_man(x2))