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The Madrid Protocol of 1885 is an agreement between Great Britain , Germany and Spain to recognize the sovereignty of Spain over the Sulu Archipelago as well as the limit of Spanish influence in the region .
 Germany, Spain, Spain
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Germany, Spain, Spain