When they learned a second plane had struck the World Trade Center, nearly everyone in the White House told us, they immediately knew it was not an accident.
( ( ( When ( they ( learned ( ( a ( second plane ) ) ( had ( struck ( the ( World ( Trade Center ) ) ) ) ) ) ) ) ) ( , ( ( ( nearly everyone ) ( in ( the ( White House ) ) ) ) ( told us ) ) ) ) ( , ( they ( immediately ( ( knew ( it ( ( was not ) ( an accident ) ) ) ) . ) ) ) ) )
(ROOT (S (S (SBAR (WHADVP (WRB When)) (S (NP (PRP they)) (VP (VBD learned) (SBAR (S (NP (DT a) (JJ second) (NN plane)) (VP (VBD had) (VP (VBN struck) (NP (DT the) (NNP World) (NNP Trade) (NNP Center))))))))) (, ,) (NP (NP (RB nearly) (NN everyone)) (PP (IN in) (NP (DT the) (NNP White) (NNP House)))) (VP (VBD told) (NP (PRP us)))) (, ,) (NP (PRP they)) (ADVP (RB immediately)) (VP (VBD knew) (SBAR (S (NP (PRP it)) (VP (VBD was) (RB not) (NP (DT an) (NN accident)))))) (. .)))
Everyone knew that the planes crashing were intentional.
( Everyone ( ( knew ( that ( ( ( the planes ) crashing ) ( were intentional ) ) ) ) . ) )
(ROOT (S (NP (NN Everyone)) (VP (VBD knew) (SBAR (IN that) (S (NP (NP (DT the) (NNS planes)) (VP (VBG crashing))) (VP (VBD were) (ADJP (JJ intentional)))))) (. .)))