You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Where are both Nanchang and Dongguan located?" whose answer is China.
Each document should contain about 30 words, and these documents should contain useful information.

Query: locations of Nanchang and Dongguan
Useful Output:

Doc 1: Office Location ; Shanghai R&D Center · Dongguan R&D Center ; Nanchang No. 1 Manufacturing Center · Nanchang No. 2 Manufacturing Center ; Huayu Precision · Xiqin
Doc 2: Dongguan. UPS Dongguan Branch No.7, Waijing Industrial Zone  UPS Nanchang Operation Center Warehouse 1, building 3,NO.288 Dongsheng
Doc 3: Nanchang, Jiangxi, China is located at China country in the Cities place category with the gps coordinates of 28° 40' 59.9952'' N and 115° 52' 59.9916'' E.
Doc 4: It is situated on the 21st floor of Jiangling Group Headquarter Building of Angel Finance Plaza on No. 969 Jinrong Street of Honggutan District.
Doc 5: Nanchang Railway Station is located in Xihu District, 2km east of Nanchang downtown, 18km northeast of Nanchang West Railway Station, 34km south of Nanchang