( Consequently ( ( ( the waters ) ( of ( Crater Lake ) ) ) ( ( are ( exceedingly pure ) ) . ) ) )
(ROOT (S (ADVP (RB Consequently)) (NP (NP (DT the) (NNS waters)) (PP (IN of) (NP (NNP Crater) (NNP Lake)))) (VP (VBP are) (ADJP (RB exceedingly) (JJ pure))) (. .)))
Consequently the waters of Crater Lake are exceedingly pure.
(ROOT (S (NP (NNS Craters) (CC and) (NNS rifts)) (VP (VBP become) (NP (NNS lakes)) (SBAR (WHADVP (WRB when)) (S (NP (PRP they)) (VP (VBP fill) (PP (IN with) (NP (NN water))))))) (. .)))