7068
Since the advantageous location , many important traffice ways pass through Longchang , like the Chengdu – Chongqing Railway , highway , public road , East Chuanyun ( Sichuan to Yunnan ) road , Longna ( Longchang to Luzhou ) highway , Longya ( Longchang to Ya'an ) road , Longhuang ( Longchang to Huangtong Guizhou ) rail way .
 organization: Sichuan
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: Sichuan 
Answer:
 organization: Sichuan