A man is kiteboarding in open waters.
A man is sailing on a boat in the ocean.
The man is either kiteboarding or sailing.
exists e1 s1 x1 x2.(in(e1,x2) & n_waters(x2) & a_open(s1) & Theme(s1,x2) & Actor(e1,x1) & v_kiteboard(e1) & n_man(x1))
exists e1 x1 x2 x3.(n_ocean(x3) & on(e1,x2) & in(x2,x3) & n_boat(x2) & Actor(e1,x1) & v_sail(e1) & n_man(x1))