Background: Portuguese natives comprise a very small percentage of Guinea-Bissauans. After Guinea-Bissau gained independence, most of the Portuguese nationals left the country. The country has a tiny Chinese population. These include traders and merchants of mixed Portuguese and Chinese ancestry from Macau, a former Asian Portuguese colony.
Question: What is the ancestry of the Chinese population in Guinea-Bissau?
Answer:<extra_id_0>.
<extra_id_0> mixed Portuguese and Chinese ancestry<extra_id_1>