(S (S (NP (BASENP (DT The) (NN government)) (PP (IN of) (BASENP (NNP Canada)))) (VP (VBZ is) (VP (VBG fighting) (S (VP (TO to) (VP (VP (VB keep) (BASENP (NNP Washington))) (PP (IN from) (S (VP (VBG having) (NP (BASENP (NN access)) (PP (TO to) (NP (BASENP (NN passenger) (NNS lists)) (PP (IN for) (NP (BASENP (NNP Canada) (POS 's)) (BASENP (JJ domestic) (NNS flights)))))))))))))))) (PERIOD .))