Two workers in a store are wearing aprons.
Workers are cooking food in aprons.
Being in the store does not imply they are cooking food
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_wear(e1) & n_apron(x3) & in(x1,x2) & n_store(x2) & n_worker(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(in(e1,x3) & n_apron(x3) & Theme(e1,x2) & Actor(e1,x1) & v_cook(e1) & n_food(x2) & n_worker(x1))