(S (S (S (BASENP (NNS Commandos)) (VP (VBP have) (VP (VBN cleared) (NP (BASENP (DT the) (NN base)) (PP (IN of) (BASENP (NNS militants))))))) (COLON ;) (S (NP (BASENP (NN three)) (PP (IN of) (BASENP (DT the) (NNS attackers)))) (VP (VBD were) (VP (VBN reported) (S (VP (ADVP (RB also)) (VP (TO to) (VP (VB have) (VP (VBN been) (VP (VBN killed))))))))))) (PERIOD .))