defined by childlike dimness and a handful of quirks 
(ROOT (S (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 (VP (VBN ) (PP (IN ) (NP (NP (JJ ) (NN )) (CC ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NNS )))))))))