Two men drinking beers at a table
two men are grocery shopping
One cannot be simultaneously drinking beers while grocery shopping.
exists e1 x1 x2 x3 x4.(a_topic(x1) & at(e1,x4) & n_table(x4) & Theme(e1,x3) & Actor(e1,x2) & v_drink(e1) & n_beer(x3) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists p1 x1.(exists x2 x3.((x1 = x2) & n_shopping(x2) & of(x2,x3) & n_grocery(x3)) & n_man(x1) & card_eq_2(x1))