A child plays with a costumed adult at a parade.
A child playing with someone in a superman costume
Just because an adult has on a costume at a parade does not mean it is a superman costume. The child might be playing with someone in a wonder women costume.
exists e1 e2 x1 x2 x3.(with(e1,x2) & at(x2,x3) & n_parade(x3) & n_adult(x2) & Theme(e2,x2) & v_costume(e2) & Actor(e1,x1) & v_play(e1) & n_child(x1))
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & in(e1,x4) & n_costume(x4) & of(x4,x5) & n_superman(x5) & with(e1,x3) & n_person(x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_child(x1))