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The Hong Kong Polytechnic University ( PolyU ) presented its " Outstanding Alumni Award " to five alumni here Thursday to pay tribute to their remarkable professional achievements and significant contributions to their alma mater and the community .
 geographical social political: here; organization: The Hong Kong Polytechnic University; organization: PolyU; organization: its; organization: their alma mater; person: five alumni; person: their; person: their
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 geographical social political: here; organization: The Hong Kong Polytechnic University; organization: PolyU; organization: its; organization: their alma mater; person: five alumni; person: their; person: their