change watching such a character , especially when rendered in as flat 
(ROOT (S (VP (VB change) (S (VP (VBG watching) (NP (PDT such) (DT a) (NN character)))) (, ,) (SBAR (ADVP (RB especially) (WRB when)) (S (VP (VBN rendered) (PRT (RP in)) (PP (IN as) (ADJP (JJ flat)))))))))
(ROOT (S (VP (VB ) (S (VP (VBG ) (NP (PDT ) (DT ) (NN )))) (, ) (SBAR (ADVP (RB ) (WRB )) (S (VP (VBN ) (PRT (RP )) (PP (IN ) (ADJP (JJ )))))))))