stakes out the emotional heart of happy 
(ROOT (S (VP (VBZ stakes) (PRT (RP out)) (NP (NP (DT the) (JJ emotional) (NN heart)) (PP (IN of) (NP (JJ happy)))))))
(ROOT (S (VP (VBZ ) (PRT (RP )) (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (JJ )))))))