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Planning for a base for the nascent Luftwaffe near Roth started in the mid-1930s .
 organization: Luftwaffe; location: Roth
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: Luftwaffe, Roth 
Answer:
 organization: Luftwaffe; location: Roth