Two people talking on a couch.
A man and a woman are discussing work at home.
Two people talking on a couch does not imply they are discussing work at home.
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_couch(x3) & Actor(e1,x2) & v_talk(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4 x5.(at(e1,x5) & n_home(x5) & Theme(e1,x4) & Actor(e1,x1) & v_discuss(e1) & n_work(x4) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))