children are sleeping as someone reads a song book.
A mother reads nursery rhymes for a bedtime story.
Someone could be anyone, we now know it is the mother of the child
exists e1 p1 x1.(exists e2 x2 x3 x4.(Theme(e2,x3) & Actor(e2,x2) & v_read(e2) & n_book(x3) & of(x3,x4) & n_song(x4) & n_person(x2)) & as(e1,p1) & Actor(e1,x1) & v_sleep(e1) & n_child(x1))
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & for(x2,x4) & n_story(x4) & a_bedtime(s1) & Theme(s1,x4) & n_rhyme(x2) & of(x2,x3) & n_nursery(x3) & n_mother(x1))