A small baby is in a plastic cradle.
The cradle is blue plastic.
Not all plastic cradles are blue.
exists p1 s1 x1.(exists x2 x3.(in(x1,x2) & n_cradle(x2) & of(x2,x3) & n_plastic(x3)) & n_baby(x1) & a_small(s1) & Theme(s1,x1))
exists p1 x1.(n_cradle(x1) & exists s1 x2.((x1 = x2) & n_plastic(x2) & a_blue(s1) & Theme(s1,x2)))