your brain and your secret agent decoder ring at the door 
(ROOT (S (NP (NP (PRP$ your) (NN brain)) (CC and) (NP (PRP$ your) (NML (JJ secret) (NN agent)) (NN decoder))) (VP (NN ring) (PP (IN at) (NP (DT the) (NN door))))))
(ROOT (S (NP (NP (PRP$ ) (NN )) (CC ) (NP (PRP$ ) (NML (JJ ) (NN )) (NN ))) (VP (NN ) (PP (IN ) (NP (DT ) (NN ))))))