He said the President signed off on that concept.
( He ( ( said ( ( the President ) ( ( signed off ) ( on ( that concept ) ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD said) (SBAR (S (NP (DT the) (NNP President)) (VP (VBD signed) (PRT (RP off)) (PP (IN on) (NP (DT that) (NN concept))))))) (. .)))
The President thought it would be a great idea.
( ( The President ) ( ( thought ( it ( would ( be ( a ( great idea ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP President)) (VP (VBD thought) (SBAR (S (NP (PRP it)) (VP (MD would) (VP (VB be) (NP (DT a) (JJ great) (NN idea))))))) (. .)))