The couple have a romantic moment on their walk.
A couple that loves each other.
Romance does not imply that they love each other
exists e1 s1 x1 x2 x3.(n_walk(x3) & of(x3,x1) & n_thing(x1) & n_couple(x1) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_moment(x2) & a_romantic(s1) & Theme(s1,x2))
exists x1 x2.(a_topic(x1) & all x3.(n_other(x3) -> exists e1.(Theme(e1,x3) & Actor(e1,x2) & v_love(e1))) & (x1 = x2) & n_couple(x1))