understands the workings of its spirit 
(ROOT (S (VP (VBZ understands) (NP (NP (DT the) (NNS workings)) (PP (IN of) (NP (PRP$ its) (NN spirit)))))))
(ROOT (S (VP (VBZ ) (NP (NP (DT ) (NNS )) (PP (IN ) (NP (PRP$ ) (NN )))))))