A man and a woman smile and talk with one another at a party.
A man and woman smile and talk at a party for their friend.
A party can be held for any number of people than just for their friend.
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 s1 x1 x2 x3 x4 x5 x6 x7.(a_topic(s1) & subset_of(x5,s1) & for(x5,x7) & n_friend(x7) & of(x7,x2) & n_thing(x2) & at(x5,x6) & n_party(x6) & n_talk(x5) & subset_of(x1,s1) & n_smile(x3) & of(x3,x4) & n_woman(x4) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))