Two women are talking while children are sitting on their laps.
Some women are talking.
Two women are talking with their children on their laps. sentence two just summarizes the information.
exists e1 p1 x1 x3.(exists e2 x2.(on(e2,x3) & Actor(e2,x2) & v_sit(e2) & n_child(x2)) & n_lap(x3) & of(x3,x1) & n_thing(x1) & while(e1,p1) & Actor(e1,x1) & v_talk(e1) & n_woman(x1) & card_eq_2(x1))
exists e1 x1.(Actor(e1,x1) & v_talk(e1) & n_woman(x1))