(S (S (NP (BASENP (NNP Carlos) (NNP Ortega)) (PRN (COMMA ,) (NP (BASENP (NN one)) (PP (IN of) (NP (BASENP (DT the) (JJ top) (NN opposition) (NNS leaders)) (PP (IN in) (BASENP (NNP Venezuela)))))) (COMMA ,))) (VP (VBZ has) (VP (VBN been) (VP (VP (VBN sentenced) (PP (TO to) (NP (BASENP (NN 15) (NNS years)) (PP (IN in) (BASENP (NN jail)))))) (PP (IN for) (S (VP (VP (VBG inciting) (BASENP (JJ civil) (NN unrest))) (PP (IN during) (BASENP (DT a) (NN strike)))))))))) (PERIOD .))