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In the following War of the Austrian Succession France allied with Prussia to attack Austria , which ended in Austria being forced to cede its richest and most prized province of Silesia to the Prussians .
 Austrian, Prussia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Austrian, Prussia