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In some cases , celebrants assist traditional priests , known as yatiri s in Aymara , in performing ancient rites to bring good luck or the good will of the goddess , such as sacrificing guinea pigs or burning llama foetuses ( although this is no longer common ) .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None