(S (S (NP (BASENP (DT The) (NN two) (NNS animals)) (ADJP (JJ responsible) (PP (IN for) (BASENP (DT the) (NN attack))))) (VP (VBP have) (VP (ADVP (RB since)) (VP (VBN been) (VP (VP (VBN captured) (CC and) (VBN euthanised)) (PP (IN by) (BASENP (JJ wildlife) (NNS rangers)))))))) (PERIOD .))