Two men, with sunglasses on their heads, talking.
Two women talk.
The subjects are either two women or two men.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Actor(e1,x4) & v_talk(e1) & (x1 = x4) & with(x1,x2) & on(x2,x3) & n_head(x3) & of(x3,x1) & n_thing(x1) & n_sunglass(x2) & n_man(x1) & card_eq_2(x1))
exists s1 x1 x2.(n_talk(x1) & a_.(s1) & Theme(s1,x1) & of(x1,x2) & n_woman(x2) & card_eq_2(x1) & a_topic(x1))