shiri is a must for genre fans . 
(ROOT (S (NP (NNP shiri)) (VP (VBZ is) (NP (NP (DT a) (NN must)) (PP (IN for) (NP (NN genre) (NNS fans))))) (. .)))
(ROOT (S (NP (NNP )) (VP (VBZ ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN ) (NNS ))))) (. )))