(S (S (SBAR (WHADVP (WRB When)) (S (BASENP (DT the) (JJ marine)) (VP (VP (VBD saw) (BASENP (DT this))) (CC and) (VP (VBD heard) (SBAR (IN that) (S (BASENP (DT these) (NNS men)) (VP (VBD had) (VP (ADVP (RB already)) (VP (VBN been) (VP (VBN disarmed) (ADVP (RB before)))))))))))) (S (BASENP (PRP he)) (VP (VBD shouted) (SBAR (IN that) (S (BASENP (PRP he)) (VP (VP (VBD did) (RB n't)) (VP (VB know) (BASENP (DT that))))))))) (PERIOD .))