A happy couple sitting together.
A happy couple is sitting on a bench in the park.
Sitting is not always on a bench in the park.
exists e1 s1 s2 x1 x2.(a_topic(x1) & a_together(s2) & Manner(e1,s2) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_couple(x1) & a_happy(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(n_park(x3) & in(e1,x3) & on(e1,x2) & n_bench(x2) & Actor(e1,x1) & v_sit(e1) & n_couple(x1) & a_happy(s1) & Theme(s1,x1))