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.
( ( 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 ) ) ) ) ) ) ) . ) ) ) )
(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))))))) (. .)))
There was conclusive evidence that the crash was not an accident.
( There ( ( ( was ( conclusive evidence ) ) ( that ( ( the crash ) ( ( was not ) ( an accident ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBD was) (NP (JJ conclusive) (NN evidence)) (SBAR (IN that) (S (NP (DT the) (NN crash)) (VP (VBD was) (RB not) (NP (DT an) (NN accident)))))) (. .)))