(S (S (S (BASENP (JJ Spanish) (NN military)) (VP (VBD captured) (BASENP (DT the) (NN two) (JJ suspected) (NNS pirates)))) (SBAR (WHADVP (WRB when)) (S (BASENP (PRP they)) (VP (VP (VBD left) (BASENP (DT the) (NN trawler))) (PP (IN via) (BASENP (DT a) (JJ small) (NN boat))))))) (PERIOD .))