A person rides a white and green sail board across the water.
The person is playing on the water
Rides a white and green sail board implies playing on the water.
exists e1 s1 s2 x1 x2 x3 x4.(n_water(x4) & across(e1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_board(x2) & of(x2,x3) & n_sail(x3) & a_green(s2) & Theme(s2,x2) & a_white(s1) & Theme(s1,x2) & n_person(x1))
exists e1 x1 x2.(n_water(x2) & n_person(x1) & on(e1,x2) & Actor(e1,x1) & v_play(e1))