A couple is sitting on a park bench with balloons.
a couple is about to get married
Not all couple sitting on a park bench with balloons is about to get married.
exists e1 x1 x2 x3 x4.(with(e1,x4) & n_balloon(x4) & on(e1,x2) & n_bench(x2) & of(x2,x3) & n_park(x3) & Actor(e1,x1) & v_sit(e1) & n_couple(x1))
exists p1 s1 x1.(Topic(s1,p1) & Actor(s1,x1) & a_about(s1) & exists e1 p2.(exists e2.(Theme(e2,x1) & v_marry(e2)) & Topic(e1,p2) & Actor(e1,x1) & v_get(e1)) & n_couple(x1))