(S (S (BASENP (DT The) (NN inquiry)) (VP (VBZ has) (VP (VBN heard) (NP (BASENP (NNS clusters)) (PP (IN of) (NP (BASENP (NNS deaths)) (VP (VBN occurred) (PP (IN around) (NP (NP (BASENP (NNP East) (CC and) (NNP West) (NNP Arnhem)) (COMMA ,) (BASENP (NNP Katherine))) (CONJP (COMMA ,) (CC and)) (NP (BASENP (DT the) (NN vicinity)) (PP (IN of) (BASENP (NNP Alice) (NNP Springs))))))))))))) (PERIOD .))