56321
The directive requires the collection and treatment of waste water in agglomeration s with a population equivalent ( PE ) of over 2000 , and more advanced treatment in agglomerations with a PE greater than 10,000 in sensitive areas .
 None
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:  
Answer:
 None