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Aquabacterium commune is a gram-negative , catalase - negative , bacterium from the genus of Aquabacterium and the family of Comamonadaceae which was isolated with Aquabacterium citratiphilum and Aquabacterium parvum together from biofilm s of drinking water in Berlin .
 location: Berlin
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: Berlin 
Answer:
 location: Berlin