run out of clever ideas and visual gags 
(ROOT (S (VP (VB run) (PP (IN out) (PP (IN of) (NP (NP (JJ clever) (NNS ideas)) (CC and) (NP (JJ visual) (NNS gags))))))))
(ROOT (S (VP (VB ) (PP (IN ) (PP (IN ) (NP (NP (JJ ) (NNS )) (CC ) (NP (JJ ) (NNS ))))))))