The President emphasized to us that he had authorized the shootdown of hijacked aircraft.
( ( The President ) ( ( ( emphasized ( to us ) ) ( that ( he ( had ( authorized ( ( the shootdown ) ( of ( hijacked aircraft ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP President)) (VP (VBD emphasized) (PP (TO to) (NP (PRP us))) (SBAR (IN that) (S (NP (PRP he)) (VP (VBD had) (VP (VBN authorized) (NP (NP (DT the) (NN shootdown)) (PP (IN of) (NP (JJ hijacked) (NN aircraft))))))))) (. .)))
There was no action taken again the hijacked aircraft.
( There ( ( was ( ( no action ) ( ( taken again ) ( the ( hijacked aircraft ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBD was) (NP (NP (DT no) (NN action)) (VP (VBN taken) (ADVP (RB again)) (NP (DT the) (JJ hijacked) (NN aircraft))))) (. .)))