A young man prepares some hamburgers on a grill in the backyard.
The man is cooking bacon blue burgers.
just because a man prepares some hamburgers on a grill in the backyard doesn't mean he is cooking bacon blue burgers.
exists e1 s1 x1 x2 x3 x4.(n_backyard(x4) & Theme(e1,x2) & Actor(e1,x1) & v_prepare(e1) & on(x2,x3) & in(x3,x4) & n_grill(x3) & n_hamburger(x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))
exists p1 x1.(n_man(x1) & exists s1 s2 x2 x3.((x1 = x2) & n_burger(x2) & a_blue(s2) & Theme(s2,x2) & of(x2,x3) & n_bacon(x3) & a_cooking(s1) & Theme(s1,x2)))