A small baby is in a plastic cradle.
A small baby is in a wooden cradle
Plastic and wooden are different materials.
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 s1 x1.(exists s2 x2.(in(x1,x2) & n_cradle(x2) & a_wooden(s2) & Theme(s2,x2)) & n_baby(x1) & a_small(s1) & Theme(s1,x1))