In the absence of information that the crash was anything other than an accident, the White House staff monitored the news as they went ahead with their regular schedules.
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(ROOT (S (PP (IN In) (NP (NP (DT the) (NN absence)) (PP (IN of) (NP (NN information))) (SBAR (IN that) (S (NP (DT the) (NN crash)) (VP (VBD was) (ADJP (NN anything) (JJ other)) (PP (IN than) (NP (DT an) (NN accident)))))))) (, ,) (NP (DT the) (NNP White) (NNP House) (NN staff)) (VP (VBD monitored) (NP (DT the) (NN news)) (SBAR (IN as) (S (NP (PRP they)) (VP (VBD went) (ADVP (RB ahead)) (PP (IN with) (NP (PRP$ their) (JJ regular) (NNS schedules))))))) (. .)))
The staff at the White House kept an eye on the news.
( ( ( The staff ) ( at ( the ( White House ) ) ) ) ( ( ( kept ( an eye ) ) ( on ( the news ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN staff)) (PP (IN at) (NP (DT the) (NNP White) (NNP House)))) (VP (VBD kept) (NP (DT an) (NN eye)) (PP (IN on) (NP (DT the) (NN news)))) (. .)))