A girl is holding a birthday cake.
A girl has a yellow birthday cake.
Not all birthday cakes are yellow cake.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_cake(x2) & of(x2,x3) & n_birthday(x3) & n_girl(x1))
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_cake(x2) & of(x2,x3) & n_birthday(x3) & a_yellow(s1) & Theme(s1,x2) & n_girl(x1))