(S (S (BASENP (JJ Commercial) (NNS vessels)) (VP (VBD were) (VP (ADVP (RB also)) (VP (VBN warned) (S (VP (TO to) (VP (VP (VB avoid) (BASENP (JJ known) (NN fishing) (NNS areas))) (ADVP (RB accordingly))))))))) (PERIOD .))