(S (S (BASENP (JJ Illegal) (NNS workers)) (VP (MD may) (VP (VP (VP (VB gain) (BASENP (NN access))) (S (VP (VP (VBG bypassing) (BASENP (NN security))) (PP (IN at) (BASENP (NN one) (NN mine) (NN site)))))) (CONJP (COMMA ,) (CC and)) (VP (VP (VB exit) (PP (IN via) (NP (BASENP (DT a) (NN series)) (PP (IN of) (BASENP (JJ interconnected) (NN underground) (NNS tunnels)))))) (ADVP (BASENP (JJ many) (NNS miles)) (RB away)))))) (PERIOD .))