A woman in tights dances.
Class will be taught.
Class of dance will be taught
exists x1 x2 x3.(a_topic(x1) & in(x1,x2) & n_dance(x2) & of(x2,x3) & n_tights(x3) & n_woman(x1))
exists e1 x1.(Theme(e1,x1) & v_teach(e1) & n_class(x1))