He went to see a movie with his South Korean friend.

The Socialist Republic of Vietnam is located in Southeast Asia.

There is a proverb that says, 'Plan your day in the morning and your year on New Year's Day,' which means that you should plan your day in the morning and your year on New Year's Day.

In behavioral sciences, the use of metatools plays a crucial role.

He is writing a thesis on dialectical materialism.

Japan's exclusive economic zone plays a crucial role in the management and utilization of marine resources.

He believes that he has extrasensory perception.

He felt cognitive dissonance between his actions and beliefs.

The Czechoslovak Socialist Republic was once an existing country.

The People's Socialist Republic of Albania was once an existing country.