( Cardiac ( Muscle - ) )
(ROOT (NP (NNP Cardiac) (NNP Muscle) (: -)))
Cardiac Muscle -
(ROOT (S (NP (NNP Cardiac) (NN muscle)) (VP (VBZ makes) (PRT (RP up)) (NP (NP (JJS most)) (PP (IN of) (NP (DT the) (NN heart))))) (. .)))