She asked her mother to alert American Airlines.
( She ( ( asked ( her ( mother ( to ( alert ( American Airlines ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP She)) (VP (VBD asked) (NP (PRP$ her) (NN mother) (S (VP (TO to) (VP (VB alert) (NP (NNP American) (NNPS Airlines))))))) (. .)))
She asked her mom to call American Airlines and tell them about the hijacking.
( She ( ( asked ( her ( mom ( to ( ( ( call ( American Airlines ) ) and ) ( ( tell them ) ( about ( the hijacking ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP She)) (VP (VBD asked) (NP (PRP$ her) (NN mom) (S (VP (TO to) (VP (VP (VB call) (NP (NNP American) (NNPS Airlines))) (CC and) (VP (VB tell) (NP (PRP them)) (PP (IN about) (NP (DT the) (NN hijacking))))))))) (. .)))