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The workshop was sponsored by the Dutch ASAT initiative ( Assuring Safety without Animal Testing ) , which aims at promoting innovative approaches towards toxicological hazard and risk assessment on the basis of human and in vitro data , and replacement of animal studies .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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