(S (S (S (BASENP (NN Five) (NNS women)) (VP (VBP have) (VP (VBN been) (VP (VP (VBN found) (S (ADJP (JJ dead)))) (PP (IN within) (BASENP (NN 10) (NNS days))))))) (CC and) (S (BASENP (NNS authorities)) (VP (VBP face) (BASENP (DT an) (QT (DQL ``) (JJ unprecedented) (DQR '')) (NN murder) (NN investigation))))) (PERIOD .))