280800
In OpenRL , acceleration structures are built and maintained transparently , behind the scenes , and this eliminates the need for the client application to write any code to create or traverse them .
 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