A man and women sits on a beach while the sun sets.
Both of them are dating each other.
People who are sitting together may not be dating
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 x1 x2.(n_thing(x2) & all x3.(n_other(x3) -> exists e1.(Theme(e1,x3) & Actor(e1,x1) & v_date(e1))) & of(x1,x2) & n_thing(x1))