947
Since we are entering new circumstances of human living , circumstances that contain high risk and have an increasingly developed urbanized life , well , I think corresponding improvements should be made to the formation of a series of systems that includes scientific planning , early warning and forecast , emergency response , accident investigation , and accountability .
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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:
 None