Two men are having coffee,.
The two men are having some beers.
The men can't be drinking coffee while having beers.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_coffee(x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_man(x1) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_beer(x2))