The American continent is where diverse cultures and nature coexist.

My friend came from American Samoa.

We are planning to visit the nature reserve this weekend.

Natural language processing is a technology that allows computers to understand and analyze human language.

He is writing a thesis on abiogenesis.

He is an expert in physical anthropology, conducting research on human evolution.

Natural language understanding is an important field of artificial intelligence.

He is studying the history of African Americans.

My dream is to go to the U.S. Virgin Islands.

The National Aeronautics and Space Administration announced a new space exploration plan.