tricky and satisfying as any of david 
(ROOT (ADJP (ADJP (JJ tricky) (CC and) (JJ satisfying)) (PP (IN as) (NP (NP (DT any)) (PP (IN of) (NP (NNP david)))))))
(ROOT (ADJP (ADJP (JJ ) (CC ) (JJ )) (PP (IN ) (NP (NP (DT )) (PP (IN ) (NP (NNP )))))))