A man is grilling sausages.
The man is baking a cake.
The man is either grilling sausages or baking a cake.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_grill(e1) & n_sausage(x2) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_bake(e1) & n_cake(x2))