(S (S (BASENP (PRP He)) (VP (VBZ says) (SBAR (S (BASENP (PRP he)) (VP (VBZ believes) (S (BASENP (PRP it)) (VP (TO to) (VP (VB be) (NP (BASENP (DT the) (JJ first) (NN time)) (SBAR (S (BASENP (NNP Canada)) (VP (VBZ has) (VP (VBN launched) (NP (BASENP (DT a) (NN court) (NN martial)) (PP (IN for) (NP (BASENP (DT the) (NN death)) (PP (IN of) (NP (BASENP (DT a) (NN prisoner)) (PP (IN on) (BASENP (DT the) (NN battlefield))))))))))))))))))))) (PERIOD .))