(SINV (SINV (S (BASENP (NNS Pirates)) (VP (VP (VBP have) (VP (VP (VBN seized) (NP (BASENP (NN control)) (PP (IN of) (NP (BASENP (DT the) (NNP Sirius) (NNP Star)) (COMMA ,) (BASENP (DT a) (NNP Saudi-owned) (NN oil) (NN tanker)))))) (PP (IN off) (NP (BASENP (DT the) (NN coast)) (PP (IN of) (BASENP (NNP Kenya))))))) (CC and) (VP (VBP are) (VP (VP (VBG steering) (BASENP (PRP her))) (PP (IN towards) (BASENP (NNP Somalia))))))) (COMMA ,) (SINV (VP (VBZ reports)) (BASENP (DT the) (NNP US) (NNP Navy)))) (PERIOD .))