If she wasn't, how would they have known Jane Finn had got the papers?
( ( If ( she ( was n't ) ) ) ( , ( how ( ( ( would they ) ( have ( known ( ( Jane Finn ) ( had ( got ( the papers ) ) ) ) ) ) ) ? ) ) ) )
(ROOT (SBARQ (SBAR (IN If) (S (NP (PRP she)) (VP (VBD was) (RB n't)))) (, ,) (WHADVP (WRB how)) (SQ (MD would) (NP (PRP they)) (VP (VB have) (VP (VBN known) (SBAR (S (NP (NNP Jane) (NNP Finn)) (VP (VBD had) (VP (VBN got) (NP (DT the) (NNS papers))))))))) (. ?)))
If she wasn't, how were they sure Jane Finn was in possession of the papers?
( ( If ( she ( was n't ) ) ) ( , ( how ( ( ( were they ) ( ( sure ( ( Jane Finn ) ( was ( in possession ) ) ) ) ( of ( the papers ) ) ) ) ? ) ) ) )
(ROOT (SBARQ (SBAR (IN If) (S (NP (PRP she)) (VP (VBD was) (RB n't)))) (, ,) (WHADVP (WRB how)) (SQ (VBD were) (NP (PRP they)) (VP (ADJP (JJ sure) (SBAR (S (NP (NNP Jane) (NNP Finn)) (VP (VBD was) (PP (IN in) (NP (NN possession))))))) (PP (IN of) (NP (DT the) (NNS papers))))) (. ?)))