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These ' unanswered questions ' ( avyākata ) regarded issues such as whether the universe is eternal or non-eternal ( or whether it is finite or infinite ) , the unity or separation of the body and the self , the complete inexistence of a person after Nirvana and death , and others .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None