(S (S (NP (NP (BASENP (DT The) (NN leader)) (PP (IN of) (BASENP (DT the) (JJ main) (NN opposition) (NN party)))) (PRN (COMMA ,) (BASENP (NNP Alaksandar) (NNP Milinkievič)) (COMMA ,))) (VP (VBZ has) (VP (VBN been) (VP (VP (VP (VBN jailed) (PP (IN for) (BASENP (NN 15) (NNS days)))) (PP (IN in) (BASENP (NNP Belarus)))) (PP (IN for) (S (VP (VBG taking) (NP (BASENP (NN part)) (PP (IN in) (BASENP (DT an) (QT (DQL `) (BASENP (JJ unsanctioned) (NN rally)) (DQR ')))))))))))) (PERIOD .))