A man is diving off of a high surface.
A man dives.
To be diving off a high surface means that the man dives.
exists e1 s1 x1 x2.(of(e1,x2) & n_surface(x2) & a_high(s1) & Theme(s1,x2) & r_off(e1) & Actor(e1,x1) & v_dive(e1) & n_man(x1))
exists e1 x1.(Actor(e1,x1) & v_dive(e1) & n_man(x1))