Two men drinking beer in a bar.
Two women drinking beer in a bar.
men and women are different gender
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_bar(x4) & Theme(e1,x3) & Actor(e1,x2) & v_drink(e1) & n_beer(x3) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_bar(x4) & Theme(e1,x3) & Actor(e1,x2) & v_drink(e1) & n_beer(x3) & (x1 = x2) & n_woman(x1) & card_eq_2(x1))