People dressed as angels at a parade.
Some people are sleeping.
People are either dressed as angels or sleeping.
exists e1 x1 x2 x3 x4.(a_topic(x1) & at(e1,x4) & n_parade(x4) & as(e1,x3) & n_angel(x3) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_people(x1))
exists e1 x1.(Actor(e1,x1) & v_sleep(e1) & n_people(x1))