Lady wearing a apron is adding ingredients to a rice dish.
The chef is cooking food.
Adding ingredients together is one step in cooking.     A rice dish is a form of food.
exists e1 e2 s1 x1 x2 x3 x4 x5.(to(e2,x4) & n_dish(x4) & of(x4,x5) & n_rice(x5) & Theme(e2,x3) & Actor(e2,e1) & v_add(e2) & n_ingredient(x3) & a_lady(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_apron(x2) & n_thing(x1))
exists p1 x1.(n_chef(x1) & exists s1 x2.((x1 = x2) & n_food(x2) & a_cooking(s1) & Theme(s1,x2)))