( ( For ( ( ( certain mutagens ) , ) ( such ( as ( ( ( ( dangerous ( ( chemicals and ) radiations ) ) , ) ( as ( well as ) ) ) ( ( infectious agents ) ( known ( to ( cause cancer ) ) ) ) ) ) ) ) ) ( , ( ( ( ( government legislations ) and ) ( regulatory bodies ) ) ( ( are ( necessary ( for ( their control ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN For) (NP (NP (JJ certain) (NNS mutagens)) (, ,) (PP (JJ such) (IN as) (NP (NP (JJ dangerous) (NNS chemicals) (CC and) (NNS radiations)) (, ,) (CONJP (RB as) (RB well) (IN as)) (NP (NP (JJ infectious) (NNS agents)) (VP (VBN known) (S (VP (TO to) (VP (VB cause) (NP (NN cancer))))))))))) (, ,) (NP (NP (NN government) (NNS legislations)) (CC and) (NP (JJ regulatory) (NNS bodies))) (VP (VBP are) (ADJP (JJ necessary) (PP (IN for) (NP (PRP$ their) (NN control))))) (. .)))
For certain mutagens, such as dangerous chemicals and radiations, as well as infectious agents known to cause cancer, government legislations and regulatory bodies are necessary for their control.
(ROOT (S (NP (NP (NNP Radiation)) (, ,) (NP (NNS chemicals)) (, ,) (CC and) (NP (JJ infectious) (NNS agents))) (VP (VBP are) (NP (NP (NNS types)) (PP (IN of) (NP (NNS mutagens))))) (. .)))