A woman with red-hair is singing.
A woman is watching a movie.
One cannot be singing while watching a movie.
exists e1 x1 x2.(Actor(e1,x1) & v_sing(e1) & with(x1,x2) & n_red-hair(x2) & n_woman(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_movie(x2) & n_woman(x1))