4229
Zhengzhou Metro line No. 2 Zhengzhou Metro Line 2 , a north-south line with a total length of 27.30 km , starting from Huiji District and ending in Zhanmatun .
 organization: Zhengzhou; organization: Zhengzhou; location: Huiji District
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Zhengzhou; organization: Zhengzhou; location: Huiji District