(S (S (BASENP (DT The) (NN treaty)) (VP (VBZ establishes) (NP (BASENP (DT a) (NN program)) (PP (IN of) (NP (BASENP (JJ unarmed) (JJ aerial) (NN surveillance) (NNS flights)) (PP (IN over) (NP (BASENP (DT the) (JJ entire) (NN territory)) (PP (IN of) (BASENP (PRPD its) (NN 34) (NN state) (NNS participants)))))))))) (PERIOD .))