IN: Is it true that is mahi-mahi a type of tuna?

The United States and the Caribbean countries are the primary consumers of this fish, but many European countries are increasing their consumption every year. It is a popular eating fish in Australia, usually caught and sold as a byproduct by tuna and swordfish commercial fishing operators. Japan and Hawaii are significant consumers. The Arabian Sea, particularly the coast of Oman, also has mahi-mahi. At first, mahi-mahi were mostly bycatch in the tuna and swordfish longline fishery. Now, they are sought by commercial fishermen on their own merits.

OUT: no

IN: Is it true that do mainland chinese need a visa for taiwan?

Nationals of the People's Republic of China with residency (hukou) in Mainland China (including those who are non-permanent residents of Hong Kong or Macau and have relinquished their hukou in Mainland China) require prior approvals from Taiwanese government and are required to hold an Exit and Entry Permit prior to travelling to Taiwan. As of August 2016, Mainland residents can only visit Taiwan as a part of a pre-approved tour group unless they qualify for one of the exemptions:

OUT: yes

IN: Is it true that can you carry a gun in virginia without a permit?

Open carry of a handgun without a permit is legal in Virginia at age 18, withstanding other applicable laws. Concealed carry of a handgun is allowed for persons who hold a valid CHP (concealed handgun permit), comply with certain restrictions, or who hold certain positions. Virginia shall issue a CHP to applicants 21 years of age or older, provided that they meet certain safety training requirements and do not have any disqualifying criminal convictions. Consuming an alcoholic beverage in ABC on-premises licensed restaurants and clubs, while carrying a concealed handgun, is prohibited; nor may any person carry a concealed handgun in a public place while under the influence of alcohol or illegal drugs. Any person permitted to carry a concealed firearm may not carry one in such manner in a public place while intoxicated. Possession of a firearm can compound the penalty for various other offenses, including illegal drug possession. Open carry while intoxicated is not addressed in the law and can presumed to be legal unless otherwise specified.

OUT: yes

IN: Is it true that was there a drinking age in the 1920's?

In the United States, there was an attempt from 1919 to 1933 to eliminate the drinking of alcoholic beverages by means of a national prohibition of their manufacture and sale. This period became known as the Prohibition era. During this time, the 18th Amendment to the Constitution of the United States made the manufacture, sale, and transportation of alcoholic beverages illegal throughout the United States.

OUT:
no