Two men speak closely at a party.
There is no party.
There can't be a party and no party.
exists e1 s1 x1 x2.(at(e1,x2) & n_party(x2) & a_closely(s1) & Manner(e1,s1) & Actor(e1,x1) & v_speak(e1) & n_man(x1) & card_eq_2(x1))
exists p1 x1.-exists x2.((x1 = x2) & n_party(x2))