giggling at the absurdities and inconsistencies 
(ROOT (S (VP (VBG giggling) (PP (IN at) (NP (DT the) (NNS absurdities) (CC and) (NNS inconsistencies))))))
(ROOT (S (VP (VBG ) (PP (IN ) (NP (DT ) (NNS ) (CC ) (NNS ))))))