A man is seasoning food on a grill.
A man seasons some ribs on a grill.
Not all food are ribs.
exists e1 x1 x2 x3.(on(e1,x3) & n_grill(x3) & Theme(e1,x2) & Actor(e1,x1) & v_season(e1) & n_food(x2) & n_man(x1))
exists x1 x2 x3 x4.(a_topic(x1) & on(x1,x4) & n_grill(x4) & n_rib(x1) & of(x1,x3) & n_season(x3) & of(x1,x2) & n_man(x2))