saw that was written down 
(ROOT (S (VP (VBD saw) (SBAR (S (NP (DT that)) (VP (VBD was) (VP (VBN written) (PRT (RB down)))))))))
(ROOT (S (VP (VBD ) (SBAR (S (NP (DT )) (VP (VBD ) (VP (VBN ) (PRT (RB )))))))))