A man wearing a hat is fishing off of a dock.
A man is standing on the dock.
Of a dock ' is  a rephrasing of ' on the dock.'
exists e1 e2 x1 x2 x3 x4.(of(e2,x4) & n_dock(x4) & r_off(e2) & Actor(e2,x1) & v_fish(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_hat(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(n_dock(x2) & on(e1,x2) & Actor(e1,x1) & v_stand(e1) & n_man(x1))