Two men are sitting down while two women are using their cellphones.
The two girls on phones are near two guys.
There might not be two guys near them.
exists e1 p1 s1 x1 x3.(exists e2 x2.(Theme(e2,x3) & Actor(e2,x2) & v_use(e2) & n_woman(x2) & card_eq_2(x2)) & n_cellphone(x3) & of(x3,x1) & n_thing(x1) & while(e1,p1) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & card_eq_2(x1))
exists p1 x1 x2.(n_girl(x1) & card_eq_2(x1) & exists x3.(near(x1,x3) & n_guy(x3) & card_eq_2(x3)) & on(x1,x2) & n_phone(x2))