rtokens: The protest was the second major one in five days in the capital .
pos: PRP VBD IN CD NNS WP VBD VBG IN DT NN IN JJ NNP NN .
tokens: They were among 500 students who started demonstrating at the intersection on late Friday afternoon .
ltokens: The protesting students , mostly from Rangoon University , were demanding the right to organise independent unions on campuses and the release of about 80 student leaders currently in jail .