A man wearing glasses is cooking.
A man is preparing food.
Cooking is the same as preparing food
exists e1 e2 x1 x2 x3.(Actor(e2,x1) & v_cook(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_glass(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_prepare(e1) & n_food(x2) & n_man(x1))