Two women are standing across from each other talking.
Nobody is standing.
Nobody is equal to zero people. Either there are two people standing or no one is standing
exists e1 s1 x1.(all x2.(n_other(x2) -> exists e2.(for(e1,e2) & Actor(e2,x1) & v_talk(e2) & from(e1,x2))) & a_across(s1) & Manner(e1,s1) & Actor(e1,x1) & v_stand(e1) & n_woman(x1) & card_eq_2(x1))
-exists e1 x1.(Actor(e1,x1) & v_stand(e1) & n_person(x1))