A woman is asleep in a subway car.
The woman is on her cell phone.
One cannot be asleep and on her cell phone simultaneously
exists s1 x1 x2 x3.(in(s1,x2) & n_car(x2) & of(x2,x3) & n_subway(x3) & Theme(s1,x1) & a_asleep(s1) & n_woman(x1))
exists p1 x1 x2 x3.(n_phone(x2) & of(x2,x3) & n_cell(x3) & of(x2,x1) & n_female(x1) & n_woman(x1) & on(x1,x2))