rtokens: Wang , 45 , was sentenced last month to one year 's " re-education by labour " but was released because of ill-health .
pos: NNP VBD VBN IN DT JJ NNP NN IN NNP IN NN NNS WP VBD DT NN POS NN PRP MD VB VBN TO DT NN NN : DT NN IN JJ JJ NN .
tokens: Wang was arrested in the east China city of Hangzhou by security officers who told the dissident 's family he would be sent to a study class -- a euphemism for coercive ideological reform .
ltokens: You only make things more hidden but potentially more explosive , " he said .