227605
Software virtualization has been a major topic in the enterprise space for quite some time , but has become an important technology for embedded systems only in the last few years .
 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