The FAA manager of the teleconference also remembered that the military participated only briefly before the Pentagon was hit.
( ( ( The ( FAA manager ) ) ( of ( the teleconference ) ) ) ( also ( ( remembered ( that ( ( the military ) ( participated ( ( only briefly ) ( before ( ( the Pentagon ) ( was hit ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (NP (DT The) (NNP FAA) (NN manager)) (PP (IN of) (NP (DT the) (NN teleconference)))) (ADVP (RB also)) (VP (VBD remembered) (SBAR (IN that) (S (NP (DT the) (NN military)) (VP (VBD participated) (SBAR (ADVP (JJ only) (NN briefly)) (IN before) (S (NP (DT the) (NNP Pentagon)) (VP (VBD was) (VP (VBN hit))))))))) (. .)))
The military's brief participation before the Pentagon was hit, was remembered by the FAA manager.
( ( ( ( ( The ( military 's ) ) ( brief participation ) ) ( before ( ( the Pentagon ) ( was hit ) ) ) ) , ) ( ( was ( remembered ( by ( the ( FAA manager ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NP (DT The) (NN military) (POS 's)) (JJ brief) (NN participation)) (SBAR (IN before) (S (NP (DT the) (NNP Pentagon)) (VP (VBD was) (VP (VBN hit))))) (, ,)) (VP (VBD was) (VP (VBN remembered) (PP (IN by) (NP (DT the) (NNP FAA) (NN manager))))) (. .)))