(S (S (S (BASENP (NNS Police)) (VP (VBP have) (VP (VP (VBN detained) (CC and) (VBN questioned)) (BASENP (JJ several) (NNS people))))) (CONJP (COMMA ,) (CC and)) (S (BASENP (DT some) (NNS reports)) (VP (VBP say) (SBAR (S (BASENP (DT that)) (VP (VBZ includes) (NP (BASENP (NNP William) (NNP Balfour)) (COMMA ,) (SBAR (WHNP (WP who)) (S (BASENP (NNS police)) (VP (ADJP (JJ previous)) (VP (VBD thought) (SBAR (S (VP (TO to) (VP (VB have) (VP (VBN kidnapped) (BASENP (NNP King)))))))))))))))))) (PERIOD .))