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Some people like Ethan Nadelmann of the Drug Policy Alliance have suggested that organized marijuana legalization would encourage safe use and reveal the factual adverse effects from exposure to this herb 's individual chemicals .
 Ethan Nadelmann, Drug Policy Alliance
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Ethan Nadelmann, Drug Policy Alliance