(SINV (SINV (S (SBAR (IN If) (S (BASENP (NNS people)) (VP (VBP are) (VP (VBG growing) (BASENP (NNS biofuels) (CC and) (NN food)))))) (S (BASENP (PRP it)) (VP (MD will) (VP (VB put) (BASENP (DT another) (JJ new) (NN stress)))))) (COMMA ,) (SINV (VP (VBZ says)) (NP (BASENP (NNP David) (NNP Molden)) (COMMA ,) (SBAR (WHNP (WP who)) (S (VP (VBD led) (NP (BASENP (DT the) (NN study)) (PP (IN at) (BASENP (DT the) (ADJP (JJ Sri) (JJ Lanka-based)) (NNP IWMI)))))))))) (PERIOD .))