A lady is viewing a city sky-line.
A woman is looking at a sky-line.
A lady is a woman, and viewing is the same as looking, and a city skyline is a type of skyline.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_view(e1) & n_sky-line(x2) & of(x2,x3) & n_city(x3) & n_lady(x1))
exists e1 x1 x2.(at(e1,x2) & n_sky-line(x2) & Actor(e1,x1) & v_look(e1) & n_woman(x1))