rtokens: Wang 's family could not immediately be reached for comment .
pos: DT NN NN VBD NNP MD VB VBN TO DT NN NN , RB DT NN IN NNP IN JJ NN .
tokens: The pressure group said Wang would be sent to a study class , often a euphemism in China for ideological reform .
ltokens: Police detained Wang on Friday and would not let his family meet him or say where he was being held , the group said .