A man and a woman smile and talk with one another at a party.
a couple chats about the future at a get together
A man and a woman who talk are not necessarily a couple and are not necessarily talking about the future.
exists s1 s2 x1 x2 x3 x4 x5 x6 x7.(a_topic(s1) & subset_of(x2,s1) & subset_of(x5,x2) & at(x5,x7) & n_party(x7) & with(x5,x6) & n_thing(x6) & card_eq_1(x6) & a_another(s2) & Theme(s2,x6) & n_talk(x5) & subset_of(x3,x2) & n_smile(x3) & of(x3,x4) & n_woman(x4) & subset_of(x1,s1) & n_man(x1))
exists e1 e2 p1 x1 x2 x3 x4.(n_future(x2) & about(e1,x2) & at(x2,x3) & exists s1.(Theme(s1,x4) & a_together(s1)) & Topic(e2,p1) & Actor(e2,x4) & v_get(e2) & (x3 = x4) & n_a(x3) & Actor(e1,x1) & v_chat(e1) & n_couple(x1))