is as thought-provoking as it 
(ROOT (VP (VBZ is) (ADJP (SBAR (IN as) (NN thought) (HYPH -) (VBG provoking)) (SBAR (IN as) (FRAG (NP (PRP it)))))))
(ROOT (VP (VBZ ) (ADJP (SBAR (IN ) (NN ) (HYPH ) (VBG )) (SBAR (IN ) (FRAG (NP (PRP )))))))