A chef is preparing some skewers with some sort of meat on it.
The chef is preparing a meal.
A chef is a person who prepares meal or food.
exists e1 x1 x2 x3 x4.(on(e1,x1) & n_thing(x1) & with(e1,x3) & of(x3,x4) & n_meat(x4) & n_sort(x3) & Theme(e1,x2) & Actor(e1,x1) & v_prepare(e1) & n_skewer(x2) & n_chef(x1))
exists e1 x1 x2.(n_chef(x1) & Theme(e1,x2) & Actor(e1,x1) & v_prepare(e1) & n_meal(x2))