126986
Cities aspiring to be Carbon-free There are two places that are prototyped to become zero-carbon cities : Masdar City , United Arab Emirates and Dongtan , China .
 location: Masdar; location: Dongtan
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: Masdar, Dongtan 
Answer:
 location: Masdar; location: Dongtan