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Wu Wu - ta , a plumber who runs the Democracy Association , says : " People were already doing their bit for the community over ten years ago , but not openly .
 person: Wu Wu - ta; organization: the Democracy Association; date: ten years ago
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 person: Wu Wu - ta; organization: the Democracy Association; date: ten years ago