A woman sunbathes on a rooftop while reading a book.
A woman is wearing a bathing suit.
The woman is not necessarily wearing a bathing suit, even though she is sunbathing.
exists e1 e2 x1 x2 x3.(while(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_read(e2) & n_book(x3) & on(e1,x2) & n_rooftop(x2) & Actor(e1,x1) & v_sunbathe(e1) & n_woman(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_suit(x2) & of(x2,x3) & n_bathing(x3) & n_woman(x1))