A happy couple sitting together.
They are in love.
THE HAPPY COUPLE IS THEY.
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 p1 x1.(n_thing(x1) & exists x2.(in(x1,x2) & n_love(x2)))