A woman sleeps behind the counter of a shop.
A person is sleeping behind the desk.
A woman is a person.  A counter and a desk could mean the same thing.
exists e1 x1 x2 x3.(n_counter(x2) & behind(e1,x2) & of(x2,x3) & n_shop(x3) & Actor(e1,x1) & v_sleep(e1) & n_woman(x1))
exists e1 x1 x2.(n_desk(x2) & behind(e1,x2) & Actor(e1,x1) & v_sleep(e1) & n_person(x1))