so far-fetched it would be impossible to believe if it were n't true 
(ROOT (ADJP (ADJP (RB so) (RB far) (HYPH -) (VBN fetched)) (SBAR (S (NP (NP (PRP it))) (VP (MD would) (VP (VB be) (ADJP (JJ impossible)) (S (VP (TO to) (VP (VB believe)))) (SBAR (IN if) (S (NP (PRP it)) (VP (VBD were) (RB n't) (ADJP (JJ true)))))))))))
(ROOT (ADJP (ADJP (RB ) (RB ) (HYPH ) (VBN )) (SBAR (S (NP (NP (PRP ))) (VP (MD ) (VP (VB ) (ADJP (JJ )) (S (VP (TO ) (VP (VB )))) (SBAR (IN ) (S (NP (PRP )) (VP (VBD ) (RB ) (ADJP (JJ )))))))))))