90 In order to understand how the two agencies interacted eight years later, we will review their missions, command and control structures, and working relationship on the morning of 9/11.
( ( ( 90 ( In order ) ) ( to ( understand ( how ( ( the ( two agencies ) ) ( interacted ( ( eight years ) later ) ) ) ) ) ) ) ( , ( we ( ( will ( review ( ( ( ( ( ( their missions ) , ) ( command ( and ( control structures ) ) ) ) , ) and ) ( ( working relationship ) ( on ( ( the morning ) ( of 9/11 ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (WHNP (NP (CD 90)) (PP (IN In) (NP (NN order)))) (S (VP (TO to) (VP (VB understand) (SBAR (WHADVP (WRB how)) (S (NP (DT the) (CD two) (NNS agencies)) (VP (VBD interacted) (ADVP (NP (CD eight) (NNS years)) (RB later))))))))) (, ,) (NP (PRP we)) (VP (MD will) (VP (VB review) (NP (NP (PRP$ their) (NNS missions)) (, ,) (NP (NN command) (CC and) (NN control) (NNS structures)) (, ,) (CC and) (NP (NP (VBG working) (NN relationship)) (PP (IN on) (NP (NP (DT the) (NN morning)) (PP (IN of) (NP (CD 9/11))))))))) (. .)))
We will look into how the two agencies interacted by reviewing their missions.
( We ( ( will ( look ( into ( how ( ( the ( two agencies ) ) ( interacted ( by ( reviewing ( their missions ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP We)) (VP (MD will) (VP (VB look) (PP (IN into) (SBAR (WHADVP (WRB how)) (S (NP (DT the) (CD two) (NNS agencies)) (VP (VBD interacted) (PP (IN by) (S (VP (VBG reviewing) (NP (PRP$ their) (NNS missions))))))))))) (. .)))