Two people having drinks in a bar or restaurant.
Two people are drinking.
Two people having drinks is the same as two people drinking.
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & (n_bar(x4) | n_restaurant(x4)) & Theme(e1,x3) & Actor(e1,x2) & v_have(e1) & n_drink(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1.(Actor(e1,x1) & v_drink(e1) & n_people(x1) & card_eq_2(x1))