Two women are walking down the street while talking on their phones.
Two friends ignore each other to talk to other people by phone.
Women talking on the phone are not necessarily ignoring each other  .
exists e1 e2 x1 x2 x3.(n_phone(x3) & of(x3,x2) & n_thing(x2) & n_street(x2) & while(e1,e2) & on(e2,x3) & Actor(e2,x1) & v_talk(e2) & down(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_woman(x1) & card_eq_2(x1))
exists x1 x4.(n_people(x4) & all x2.(n_other(x2) -> exists e1 p1.(Topic(e1,p1) & Recipient(e1,x2) & Actor(e1,x1) & v_ignore(e1) & exists e2 x3 x5.(by(e2,x5) & n_phone(x5) & to(e2,x3) & -(x3 = x4) & n_people(x3) & Actor(e2,x2) & v_talk(e2)))) & n_friend(x1) & card_eq_2(x1))