Women celebrating a birthday with cake.
The cake is chocolate
the cake may or may not be chocolate
exists e1 x1 x2 x3 x4.(a_topic(x1) & with(e1,x4) & n_cake(x4) & Theme(e1,x3) & Actor(e1,x2) & v_celebrate(e1) & n_birthday(x3) & (x1 = x2) & n_woman(x1))
exists p1 x1.(n_cake(x1) & exists x2.((x1 = x2) & n_chocolate(x2)))