(S (S (SBAR (WHADVP (WRB When)) (S (BASENP (PRP it)) (VP (VBZ comes) (NP (BASENP (NN time)) (PP (IN for) (NP (BASENP (NN use)) (PP (IN in) (BASENP (NNS humans))))))))) (COMMA ,) (S (BASENP (NNP Ott)) (VP (VBZ says) (SBAR (IN that) (S (NP (BASENP (NNS pigs) (POS ')) (NNS kidneys)) (VP (MD would) (VP (VB be) (VP (VBN used) (PP (IN as) (NP (BASENP (DT the) (NNS templates)) (PP (IN for) (S (VP (VBG making) (BASENP (JJ human-usable) (NNS kidneys))))))))))))))) (PERIOD .))