A man and women sits on a beach while the sun sets.
They are watching the sun rise.
A sun rise can't happen at the same time as when the sun sets.
exists e1 p1 x1 x2 x3 x4 x5.(n_sun(x5) & exists e2.(Actor(e2,x5) & v_set(e2)) & while(e1,p1) & on(e1,x4) & n_beach(x4) & Actor(e1,x1) & v_sit(e1) & n_woman(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 x1 x2 x3.(n_rise(x2) & of(x2,x3) & n_sun(x3) & n_thing(x1) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1))