A baby holding a rattle looking very sad.
A baby is sad.
baby is sad is a rephrasing of baby looking very sad.
exists e1 e2 p1 x1 x2 x3.(a_topic(x1) & for(e1,e2) & exists s1.(r_very(s1) & Theme(s1,x2) & a_sad(s1)) & Topic(e2,p1) & Actor(e2,x2) & v_look(e2) & Theme(e1,x3) & Actor(e1,x2) & v_hold(e1) & n_rattle(x3) & (x1 = x2) & n_baby(x1))
exists s1 x1.(Theme(s1,x1) & a_sad(s1) & n_baby(x1))