Question: are Heshan, Guangxi and Guiyang both capitals>
Related documents: [0]  [DOC] Guiyang is the capital of Guizhou province of Southwest China. It is located in the center of the province, situated on the east of the Yunnan–Guizhou Plateau, and on the north bank of the Nanming River, a branch of the Wu River. The city has an elevation of about 1,100 m . It has an area of 8034 km2 . During the 2010 census, its population was 4,324,561, out of whom 3,037,159 lived in the 7 urban districts. [END] 
[1]  [DOC] Heshan () is a county-level city of central Guangxi, China, located on the lower reaches of the Hongshui River. It is under the administration of Laibin City. [END] 
Answer: 
no
no