an avalanche of more appealing holiday-season product 
(ROOT (NP (NP (DT an) (NN avalanche)) (PP (IN of) (NP (ADJP (RBR more) (JJ appealing)) (NML (NN holiday) (HYPH -) (NN season)) (NN product)))))
(ROOT (NP (NP (DT ) (NN )) (PP (IN ) (NP (ADJP (RBR ) (JJ )) (NML (NN ) (HYPH ) (NN )) (NN )))))