The Vice President authorized fighter aircraft to engage the inbound plane.
( ( The ( Vice President ) ) ( ( ( authorized ( fighter aircraft ) ) ( to ( engage ( the ( inbound plane ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP Vice) (NNP President)) (VP (VBD authorized) (NP (NN fighter) (NN aircraft)) (S (VP (TO to) (VP (VB engage) (NP (DT the) (JJ inbound) (NN plane)))))) (. .)))
The fighter aircrafts were told not to engage the plane.
( ( The ( fighter aircrafts ) ) ( ( were ( told ( not ( to ( engage ( the plane ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN fighter) (NNS aircrafts)) (VP (VBD were) (VP (VBN told) (S (RB not) (VP (TO to) (VP (VB engage) (NP (DT the) (NN plane))))))) (. .)))