Two men are talking in a house.
Two people are talking outside.
You can not be talking in a house and outside simultaneously.
exists e1 x1 x2.(in(e1,x2) & n_house(x2) & Actor(e1,x1) & v_talk(e1) & n_man(x1) & card_eq_2(x1))
exists e1 s1 x1.(a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_talk(e1) & n_people(x1) & card_eq_2(x1))