a man in a sweatshirt cooks seafood.
The man is cooking a cheeseburger.
Seafood is different from cheeseburger
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_cook(e1) & n_seafood(x3) & in(x1,x2) & n_sweatshirt(x2) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_cook(e1) & n_cheeseburger(x2))