A man on surfboard dives over a large wave.
There is a man on a surfboard.
Ona surfboard is the same as on surfboard
exists s1 x1 x2 x3 x4.(a_topic(x1) & on(x1,x2) & over(x2,x4) & n_wave(x4) & a_large(s1) & Theme(s1,x4) & n_dive(x2) & of(x2,x3) & n_surfboard(x3) & n_man(x1))
exists p1 x1 x2 x3.((x1 = x2) & on(x2,x3) & n_surfboard(x3) & n_man(x2))