REPORT PREPARATION AND TEST REVIEW
( REPORT ( ( ( PREPARATION AND ) TEST ) REVIEW ) )
(ROOT (S (VP (VB REPORT) (S (NP (NNP PREPARATION) (CC AND) (NNP TEST)) (VP (VB REVIEW))))))
It is impossible to prepare a report on this topic.
( It ( ( is ( impossible ( to ( ( prepare ( a report ) ) ( on ( this topic ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (ADJP (JJ impossible) (S (VP (TO to) (VP (VB prepare) (NP (DT a) (NN report)) (PP (IN on) (NP (DT this) (NN topic)))))))) (. .)))