A baby wrapped in blankets is tucked into a metal wagon.
A baby is wrapped in a blanket.
"Blankets" is plural whereas "a blanket" just signifies one blanket.
exists e2 e1 x1 x2 x3 x4 x5.(into(e2,x4) & n_wagon(x4) & of(x4,x5) & n_metal(x5) & Theme(e2,x1) & v_tuck(e2) & in(e1,x3) & n_blanket(x3) & Theme(e1,x2) & v_wrap(e1) & (x1 = x2) & n_baby(x1))
exists e1 x1 x2.(in(e1,x2) & n_blanket(x2) & Theme(e1,x1) & v_wrap(e1) & n_baby(x1))