An unpublished survey this year by the Drug Policy Alliance , a group that advocates the legalization of medical marijuana , found that there were fewer than 20 federal prosecutions of medical marijuana users or growers since 1996 , when California passed the first medical marijuana law , said Daniel N. Abrahamson , the group 's director of legal affairs in Oakland .
California /location/location/contains Oakland
DT JJ NN DT NN IN DT NN NNP NNP , DT NN WDT VBZ DT NN IN JJ NN , VBD IN EX VBD JJR IN CD JJ NNS IN JJ NN NNS CC NNS IN CD , WRB NNP VBD DT JJ JJ NN NN , VBD NNP NNP NNP , DT NN POS NN IN JJ NNS IN NNP .
California
LOCATION
Oakland
LOCATION
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