158388
The Commission for Energy Regulation-An Coimisiún Rialall Fuinnimh ( CER ) is the independent body responsible for overseeing the liberalisation of Ireland 's energy sector ( CER ) regulating the electricity and natural gas sectors in the Republic of Ireland .
 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