Inside the National Military Command Center, the deputy director of operations and his assistant began notifying senior Pentagon officials of the incident.
( ( Inside ( the ( National ( Military ( Command Center ) ) ) ) ) ( , ( ( ( the ( deputy director ) ) ( of ( ( operations and ) ( his assistant ) ) ) ) ( ( began ( notifying ( ( senior ( Pentagon officials ) ) ( of ( the incident ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN Inside) (NP (DT the) (NNP National) (NNP Military) (NNP Command) (NNP Center))) (, ,) (NP (NP (DT the) (JJ deputy) (NN director)) (PP (IN of) (NP (NP (NNS operations)) (CC and) (NP (PRP$ his) (NN assistant))))) (VP (VBD began) (S (VP (VBG notifying) (NP (NP (JJ senior) (NNP Pentagon) (NNS officials)) (PP (IN of) (NP (DT the) (NN incident))))))) (. .)))
The deputy director of operations was not in the National Military Command Center.
( ( ( The ( deputy director ) ) ( of operations ) ) ( ( ( was not ) ( in ( the ( National ( Military ( Command Center ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ deputy) (NN director)) (PP (IN of) (NP (NNS operations)))) (VP (VBD was) (RB not) (PP (IN in) (NP (DT the) (NNP National) (NNP Military) (NNP Command) (NNP Center)))) (. .)))