a dream is a wish your heart makes 
(ROOT (S (NP (DT a) (NN dream)) (VP (VBZ is) (NP (NP (DT a) (NN wish)) (SBAR (S (NP (PRP$ your) (NN heart)) (VP (VBZ makes))))))))
(ROOT (S (NP (DT ) (NN )) (VP (VBZ ) (NP (NP (DT ) (NN )) (SBAR (S (NP (PRP$ ) (NN )) (VP (VBZ ))))))))