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Qingdao Metro ( ) is a metro system under construction as of 2009 in the city of Qingdao , Shandong province in China .
 location: Qingdao; location: Qingdao; location: Shandong; location: China
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: Qingdao, Qingdao, Shandong, China 
Answer:
 location: Qingdao; location: Qingdao; location: Shandong; location: China