A man is sleeping on his front doorstep.
The woman did not sleep on the couch.
A man and a woman are opposite genders.
exists e1 s1 x1 x2.(on(e1,x2) & n_doorstep(x2) & a_front(s1) & Theme(s1,x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_sleep(e1) & n_man(x1))
exists x1 x2.(n_couch(x2) & n_woman(x1) & -exists e1.(on(e1,x2) & Actor(e1,x1) & v_sleep(e1)))