Many of the dishes contain rice.
The food is delicious
Rice may not be delicious.
exists e1 x1 x2 x3.(n_dish(x2) & Theme(e1,x3) & Actor(e1,x1) & v_contain(e1) & n_rice(x3) & of(x1,x2) & n_quantity(x1))
exists s1 x1.(n_food(x1) & Theme(s1,x1) & a_delicious(s1))