Two men talk on the street.
Two women are speaking on the telephone.
Women are not the same sex as men and there is not indication that when they are on the street talking that they are talking on the telephone.
exists e1 x1 x2.(n_street(x2) & on(e1,x2) & Actor(e1,x1) & v_talk(e1) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_telephone(x2) & on(e1,x2) & Actor(e1,x1) & v_speak(e1) & n_woman(x1) & card_eq_2(x1))