(S (S (S (NP (NP (BASENP (QP (RB Roughly) (NN 400)) (NNS pounds)) (PRN (LRB -LRB-) (BASENP (NN 200) (NNS kilograms)) (RRB -RRB-))) (PP (IN of) (BASENP (NN water) (NN vapor)))) (VP (VBZ is) (VP (VP (VP (VBN lost) (BASENP (DT every) (NN second))) (PP (IN in) (BASENP (DT the) (NNS plumes))))))) (COMMA ,) (PP (IN with) (NP (BASENP (JJR smaller) (NNS amounts)) (VP (VBG being) (VP (VBN lost) (PP (IN as) (BASENP (NN ice)))))))) (PERIOD .))