You have a man cooking burgers and hotdogs on a dirty park grill.
A person cooking outside.
A man cooking burgers and hotdogs on a dirty park grill is definitely cooking outside.
exists e1 x1 x2 x3 x4 x5 x6 x7 x8.(on(e1,x6) & n_grill(x6) & of(x6,x8) & n_park(x8) & of(x6,x7) & n_dirty(x7) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & subset_of(x5,x2) & n_hotdog(x5) & subset_of(x1,x2) & n_burger(x1) & of(x1,x4) & n_cooking(x4) & of(x1,x3) & n_man(x3) & n_person(x1))
exists e1 s1 x1.(a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_cooking(e1) & n_person(x1))