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Within the walls are the remaining outlines of several buildings : two side-by-side granaries , the garrison headquarters building and garrison commander 's villa , or Praetorium .
 location: Praetorium
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:
 location: Praetorium