(S (S (ADVP (RB Sometime) (PP (IN during) (BASENP (NNP March)))) (S (NP (BASENP (NNS residents)) (PP (IN of) (BASENP (JJ remote) (NNS villages)))) (VP (VBD began) (VP (ADVP (RB illegally)) (VP (VP (VBG mining) (BASENP (NN gold))) (PP (IN in) (NP (BASENP (NNS areas)) (PP (IN of) (BASENP (JJ high) (NN lead) (NN concentration)))))))))) (PERIOD .))