(S (S (S (S (BASENP (NN Creation)) (VP (VP (MD should) (RB not)) (VP (VB be) (VP (VBN taught))))) (PRN (COMMA ,) (S (BASENP (PRP he)) (VP (VBD said))) (COMMA ,))) (CC but) (S (SBAR (IN if) (S (BASENP (PRP it)) (VP (VBZ comes) (PRT (RP up))))) (COMMA ,) (S (BASENP (NNS teachers)) (VP (MD should) (VP (VB be) (VP (VBN encouraged) (S (VP (TO to) (VP (VB explain) (NP (BASENP (DT the) (NN science)) (PP (IN of) (BASENP (NN evolution))))))))))))) (PERIOD .))