another iteration of what 's become one of the movies ' creepiest conventions , in which the developmentally disabled are portrayed with almost supernatural powers to humble , teach and ultimately redeem their mentally `` superior '' friends , family ... 
(ROOT (NP (NP (DT another) (NN iteration)) (PP (IN of) (SBAR (WHNP (WP what)) (S (VP (VBZ 's) (VP (VBN become) (NP (NP (NP (CD one)) (PP (IN of) (NP (NP (DT the) (NNS movies) (POS ')) (JJS creepiest) (NNS conventions)))) (, ,) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (DT the) (ADJP (RB developmentally) (JJ disabled))) (VP (VBP are) (VP (VBN portrayed) (PP (IN with) (NP (ADJP (RB almost) (JJ supernatural)) (NNS powers))) (S (VP (TO to) (VP (VP (VB humble)) (, ,) (VP (VB teach)) (CC and) (ADVP (RB ultimately)) (VP (VB redeem)) (NP (PRP$ their) (ADJP (RB mentally) (`` ``) (JJ superior) ('' '') (NNS friends) (, ,) (NML (NN family))))))))))))))))) (. ...)))
(ROOT (NP (NP (DT ) (NN )) (PP (IN ) (SBAR (WHNP (WP )) (S (VP (VBZ ) (VP (VBN ) (NP (NP (NP (CD )) (PP (IN ) (NP (NP (DT ) (NNS ) (POS )) (JJS ) (NNS )))) (, ) (SBAR (WHPP (IN ) (WHNP (WDT ))) (S (NP (DT ) (ADJP (RB ) (JJ ))) (VP (VBP ) (VP (VBN ) (PP (IN ) (NP (ADJP (RB ) (JJ )) (NNS ))) (S (VP (TO ) (VP (VP (VB )) (, ) (VP (VB )) (CC ) (ADVP (RB )) (VP (VB )) (NP (PRP$ ) (ADJP (RB ) (`` ) (JJ ) ('' ) (NNS ) (, ) (NML (NN ))))))))))))))))) (. )))