About 20 dark complected men standing with their backs towards us raising both hands in the air.
One man is wearing a hat.
There is no information that either of the men standing is wearing a hat.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5.(n_air(x5) & n_hand(x4) & a_topic(x1) & in(e2,x5) & Theme(e2,x4) & Actor(e2,x1) & v_raise(e2) & towards(e1,x1) & n_person(x1) & with(e1,x3) & n_back(x3) & of(x3,x1) & n_thing(x1) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_man(x1) & a_complected(s2) & Theme(s2,x1) & a_dark(s1) & Theme(s1,x1) & n_date(x1) & a_date_day_20(x1) & a_date_day_20(x1) & r_about(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_hat(x2) & n_man(x1) & card_eq_1(x1))