Three workers smiling in a restaurant setting.
People are smiling.
The three workers are people.
exists e1 x1 x2 x3.(in(e1,x2) & n_setting(x2) & of(x2,x3) & n_restaurant(x3) & Actor(e1,x1) & v_smile(e1) & n_worker(x1) & card_eq_3(x1))
exists e1 x1.(Actor(e1,x1) & v_smile(e1) & n_people(x1))