A man and a boy are preparing food to be cooked on the fire.
A pair of birds fight over a hotdog wrapper.
A man and a boy are not the same as a pair of birds.
exists e1 p1 x1 x2 x3 x4 x5.(n_fire(x5) & on(e1,x5) & Theme(e1,x4) & Actor(e1,x1) & v_prepare(e1) & Topic(x4,p1) & exists e2.(Theme(e2,x4) & v_cook(e2)) & n_food(x4) & subset_of(x3,x1) & n_boy(x3) & subset_of(x2,x1) & n_man(x2))
exists x1 x2 x3 x4 x5.(a_topic(x1) & of(x1,x2) & over(x2,x4) & n_wrapper(x4) & of(x4,x5) & n_hotdog(x5) & n_fight(x2) & of(x2,x3) & n_bird(x3) & n_pair(x1))