A man is making some sort of sandwich
The man is making food.
A man making a sandwich means he is making food.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & of(x2,x3) & n_sandwich(x3) & n_sort(x2) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & n_food(x2))