A girl is dancing in the valley.
a girl is dancing
Dancing in the valley is a way of dancing.
exists e1 x1 x2.(n_valley(x2) & in(e1,x2) & Actor(e1,x1) & v_dance(e1) & n_girl(x1))
exists e1 x1.(Actor(e1,x1) & v_dance(e1) & n_girl(x1))