He said he had not heard any prior discussion on the subject with the President.
( He ( ( said ( he ( ( had not ) ( ( heard ( any ( prior discussion ) ) ) ( on ( ( the subject ) ( with ( the President ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD said) (SBAR (S (NP (PRP he)) (VP (VBD had) (RB not) (VP (VBN heard) (NP (DT any) (JJ prior) (NN discussion)) (PP (IN on) (NP (NP (DT the) (NN subject)) (PP (IN with) (NP (DT the) (NNP President)))))))))) (. .)))
The President was talking about other things to him.
( ( The President ) ( ( was ( ( talking ( about ( other things ) ) ) ( to him ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP President)) (VP (VBD was) (VP (VBG talking) (PP (IN about) (NP (JJ other) (NNS things))) (PP (TO to) (NP (PRP him))))) (. .)))