A group of girls in dresses dancing.
A group a girls are playing sports.
Playing sports is different than dancing.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Actor(e1,x4) & v_dance(e1) & (x1 = x4) & in(x1,x3) & n_dress(x3) & of(x1,x2) & n_girl(x2) & n_group(x1))
exists p1 x1.(a_topic(x1) & exists e1 x2 x3.(Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_sport(x3) & n_girl(x2)) & that(x1,p1) & n_group(x1))