both are just actory concoctions , defined by childlike dimness and a handful of quirks 
(ROOT (S (NP (DT both)) (VP (VBP are) (NP (NP (RB just) (NN actory) (NNS concoctions)) (, ,) (VP (VBN defined) (PP (IN by) (NP (NP (JJ childlike) (NN dimness)) (CC and) (NP (NP (DT a) (NN handful)) (PP (IN of) (NP (NNS quirks)))))))))))
(ROOT (S (NP (DT )) (VP (VBP ) (NP (NP (RB ) (NN ) (NNS )) (, ) (VP (VBN ) (PP (IN ) (NP (NP (JJ ) (NN )) (CC ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NNS )))))))))))