( ( The method ) ( ( to ( be ( ( used ( by Perl ) ) ( to ( associate ( ( external and ) ( internal storage ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN method)) (VP (TO to) (VP (VB be) (VP (VBN used) (PP (IN by) (NP (NNP Perl))) (PP (TO to) (NP (JJ associate) (NX (NX (NNS external)) (CC and) (NX (JJ internal) (NN storage)))))))) (. .)))
The method to be used by Perl to associate external and internal storage.
(ROOT (S (NP (NNS Amphibians)) (ADVP (RB sexually)) (VP (VB reproduce) (PP (IN through) (NP (JJ external) (CC or) (JJ internal) (NN fertilization)))) (. .)))