The Vice President's military aide told us he believed the Vice President spoke to the President just after entering the conference room, but he did not hear what they said.
( ( ( ( ( ( ( The ( Vice ( President 's ) ) ) ( military aide ) ) ( ( told us ) ( he ( believed ( ( the ( Vice President ) ) ( ( spoke ( to ( the President ) ) ) ( just ( after ( entering ( the ( conference room ) ) ) ) ) ) ) ) ) ) ) , ) but ) ( he ( ( did not ) ( hear ( what ( they said ) ) ) ) ) ) . )
(ROOT (S (S (NP (NP (DT The) (NNP Vice) (NNP President) (POS 's)) (JJ military) (NN aide)) (VP (VBD told) (NP (PRP us)) (SBAR (S (NP (PRP he)) (VP (VBD believed) (SBAR (S (NP (DT the) (NNP Vice) (NNP President)) (VP (VBD spoke) (PP (TO to) (NP (DT the) (NNP President))) (PP (RB just) (IN after) (S (VP (VBG entering) (NP (DT the) (NN conference) (NN room))))))))))))) (, ,) (CC but) (S (NP (PRP he)) (VP (VBD did) (RB not) (VP (VB hear) (SBAR (WHNP (WP what)) (S (NP (PRP they)) (VP (VBD said))))))) (. .)))
The military aid had heard all that was said in the conference room.
( ( The ( military aid ) ) ( ( had ( heard ( all ( that ( was ( said ( in ( the ( conference room ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ military) (NN aid)) (VP (VBD had) (VP (VBN heard) (NP (NP (DT all)) (SBAR (WHNP (WDT that)) (S (VP (VBD was) (VP (VBN said) (PP (IN in) (NP (DT the) (NN conference) (NN room)))))))))) (. .)))