(S (S (QT (DQL ``) (QTC (S (BASENP (DT This) (JJ previous) (NN research)) (VP (VBD overestimated) (NP (NP (BASENP (DT the) (NN energy) (NNS costs)) (CC and) (BASENP (NN carbon) (NNS emissions))) (VP (VBN generated) (PP (PP (IN by) (NP (BASENP (DT the) (NN construction)) (PP (IN of) (BASENP (JJ nuclear) (NN power) (NNS plants))))) (CC and) (PP (IN for) (S (VP (VBG mining) (BASENP (NN uranium)))))))))) (COMMA ,)) (DQR '')) (S (BASENP (NNP Prof) (NNP Sevior)) (VP (VBD said)))) (PERIOD .))