A woman is reading a book on the subway.
The woman is driving a car.
Car and subway are different.
exists e1 x1 x2 x3.(n_subway(x3) & Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & on(x2,x3) & n_book(x2) & n_woman(x1))
exists e1 x1 x2.(n_woman(x1) & Theme(e1,x2) & Actor(e1,x1) & v_drive(e1) & n_car(x2))