Kids play in a rocky area.
The kids played in the area.
Played in the area is a restatement of play in a rocky area.
exists e1 s1 x1 x2.(in(e1,x2) & n_area(x2) & a_rocky(s1) & Theme(s1,x2) & Actor(e1,x1) & v_play(e1) & n_kid(x1))
exists e1 x1 x2.(n_area(x2) & n_kid(x1) & in(e1,x2) & Actor(e1,x1) & v_play(e1))