(S (S (SBAR (IN As) (S (BASENP (DT the) (NNS droughts)) (VP (VBP continue)))) (COMMA ,) (S (NP (BASENP (DT the) (NN importance)) (PP (IN of) (BASENP (ADJP (RB properly) (VBN maintained)) (NNS wells)))) (VP (VBZ has) (VP (VBN become) (ADJP (JJ apparent)))))) (PERIOD .))