(S (S (BASENP (DT This)) (VP (VBZ follows) (NP (NP (NP (BASENP (DT the) (JJ statewide) (NN mandate)) (VP (VBG requiring) (S (BASENP (NN ethanol)) (VP (TO to) (VP (VB be) (VP (VBN mixed) (PP (IN into) (BASENP (NN gasoline))))))))) (PRN (COLON --) (NP (RB also) (NP (BASENP (DT a) (NN first)) (PP (IN by) (BASENP (NNP Minnesota))))) (COLON --))) (SBAR (WHNP (WDT which)) (S (VP (VP (VBD took) (BASENP (NN effect))) (PP (IN in) (BASENP (NN 1997))))))))) (PERIOD .))