(S (S (NP (BASENP (NNS Kidnappings)) (PP (IN such) (PP (IN as) (BASENP (DT this))))) (VP (VP (VP (VBP are) (ADJP (JJ common))) (PP (IN in) (BASENP (DT the) (NNP Niger) (NNP Delta) (NN area)))) (COMMA ,) (PP (IN with) (S (BASENP (JJS most)) (VP (VBG being) (PP (IN for) (BASENP (NN ransom)))))))) (PERIOD .))