A man asleep on a subway car.
The woman is asleep in bed.
Man and woman are opposite sex. One cannot sleep on a bed and subway car simultaneously.
exists x1 x2 x3 x4.(a_topic(x1) & on(x1,x3) & n_car(x3) & of(x3,x4) & n_subway(x4) & n_asleep(x1) & of(x1,x2) & n_man(x2))
exists s1 x1 x2.(n_woman(x1) & in(s1,x2) & n_bed(x2) & Theme(s1,x1) & a_asleep(s1))