a baby breast feeds from a woman in purple.
The baby is very  happy.
Not all baby's are very happy.
exists e1 x1 x2 x3 x4.(from(e1,x3) & in(x3,x4) & n_purple(x4) & n_woman(x3) & Actor(e1,x1) & v_feed(e1) & n_breast(x1) & of(x1,x2) & n_baby(x2))
exists s1 x1.(n_baby(x1) & r_very(s1) & Theme(s1,x1) & a_happy(s1))