(S (S (S (BASENP (JJ Initial) (NNS reports)) (VP (VBP say) (SBAR (S (BASENP (DT the) (NN vessel)) (VP (VBZ has) (VP (VBN been) (VP (VBN spotted) (PP (IN off) (BASENP (NNP Cape) (NNP York)))))))))) (COMMA ,) (SBAR (BASENP (NN three) (NNS days)) (SBAR (IN after) (S (BASENP (PRP it)) (VP (VBD was) (VP (VBN reported) (ADJP (JJ missing)))))))) (PERIOD .))