Two girls and a woman walking on the sidewalk
Two girls and a woman are talking to each other
The women need not necessarily be talking while walking.
exists e1 s1 x1 x2 x3 x4.(n_sidewalk(x4) & a_topic(s1) & subset_of(x2,s1) & on(e1,x4) & Actor(e1,x3) & v_walk(e1) & (x2 = x3) & n_woman(x2) & subset_of(x1,s1) & n_girl(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(all x4.(n_other(x4) -> to(e1,x4)) & Actor(e1,x1) & v_talk(e1) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_girl(x2) & card_eq_2(x2))