An infant is eating while being read a book.
The infant's mother is reading.
Not all people who are read are read by the infant's mother
exists e1 e2 x1 x2.(while(e1,e2) & Theme(e2,x1) & v_read(e2) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_book(x2) & n_infant(x1))
exists e1 x1 x2 x3.(n_mother(x2) & of(x2,x1) & n_infant(x1) & Theme(e1,x3) & Actor(e1,x2) & v_read(e1) & n_thing(x3))