demanding than it needs to be 
(ROOT (ADJP (ADJP (VBG demanding)) (SBAR (IN than) (S (NP (PRP it)) (VP (VBZ needs) (S (VP (TO to) (VP (VB be)))))))))
(ROOT (ADJP (ADJP (VBG )) (SBAR (IN ) (S (NP (PRP )) (VP (VBZ ) (S (VP (TO ) (VP (VB )))))))))