A bored looking construction worker is holding a drink.
A bartender serves a couple of drinks to some women.
He can either be a bored worker holding a drink or a bartender serving drinks, not both.
exists e1 e2 s1 x1 x2 x3.(Theme(e2,x3) & Actor(e2,x1) & v_hold(e2) & n_drink(x3) & n_worker(x1) & of(x1,x2) & n_construction(x2) & Actor(e1,x1) & v_look(e1) & a_bored(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_serve(e1) & to(x2,x4) & n_woman(x4) & of(x2,x3) & n_drink(x3) & n_couple(x2) & n_bartender(x1))