(S (S (BASENP (NNS Authorities)) (VP (VP (VBP have) (VP (VBN been) (VP (VBG using) (NP (BASENP (NN 24) (NNS ships)) (VP (VBN designed) (PP (IN for) (S (VP (VP (VBG cleaning) (PRT (RP up))) (BASENP (NN oil)))))))))) (CONJP (COMMA ,) (CC and)) (VP (BASENP (NN today)) (VP (VP (VBD ordered) (BASENP (QP (RB around) (NN 800)) (JJ civilian) (NN fishing) (NNS boats))) (S (VP (TO to) (VP (VB join) (BASENP (DT the) (NN operation))))))))) (PERIOD .))