The document lists various countries and their corresponding nationalities. It provides the country names Vietnam, China, Japan, Mexico, the U.S.A, Australia, Canada, India, Singapore, the U.K, Germany, and France. For each country, it identifies the demonym or adjective used to describe a person from that country, such as Vietnamese for Vietnam, Chinese for China, Japanese for Japan, and so on. The document also provides two example sentences asking where someone is from and answering with the country and corresponding nationality.