201519
Zhengzhou Metro ( ) is a rapid transit metro rail network under construction to serve urban and suburban districts of Zhengzhou municipality .
 organization: Zhengzhou; location: Zhengzhou
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: Zhengzhou, Zhengzhou 
Answer:
 organization: Zhengzhou; location: Zhengzhou