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The Health Services urged the four residents to contact the authority immediately to report their health condition .
 The Health Services, the authority, the four residents, their
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 The Health Services, the authority, the four residents, their