the entire point of a shaggy dog story 
(ROOT (NP (NP (DT the) (JJ entire) (NN point)) (PP (IN of) (NP (DT a) (NML (JJ shaggy) (NN dog)) (NN story)))))
(ROOT (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (DT ) (NML (JJ ) (NN )) (NN )))))