(S (S (BASENP (NNP Conservation) (NNP Minister) (NNP Chris) (NNP Carter)) (VP (VBD said) (SBAR (IN that) (S (SBAR (IN while) (S (BASENP (DT the) (NN trial)) (VP (VBD was) (ADJP (JJ risky))))) (COMMA ,) (S (BASENP (PRP it)) (VP (VBD was) (ADJP (RB also) (JJ worthwhile)))))))) (PERIOD .))