sleeping white baby boy on a couch.
The baby was sleeping on the couch
The baby was sleeping refers to the white baby on the couch
exists e1 s1 x1 x2 x3.(a_topic(x1) & on(x1,x3) & n_couch(x3) & n_boy(x1) & of(x1,x2) & n_baby(x2) & a_white(s1) & Theme(s1,x1) & Actor(e1,x1) & v_sleep(e1))
exists e1 x1 x2.(n_couch(x2) & n_baby(x1) & on(e1,x2) & Actor(e1,x1) & v_sleep(e1))